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      • Company Profile

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      • Fittings

        • Tube Fittings

        • DFF Series Tube Fittings

        • VCR Series Metal Gasket Face Seal Fittings

        • More >

      • Valves

        • Ball Valves

        • Needle Valves

        • Diaphragm Valves

        • More >

      • Manifolds

        • Block and Bleed Valves

        • Air Headers and Distribution Manifolds

        • Medium & High Pressure Bleed Valves and Block & Bleed Valves

        • More >

      • Filters

        • For General Instrumentation

        • For Medium & High Pressure

        • More >

      • Quick-Connects

        • For General Instrumentation

        • For Medium & High Pressure

        • More >

      • Flexible Metal Hose

        • Flexible Metal Hose

        • Calibration Fittings and Hoses

        • More >

      • Tubing

        • Instrumentation Tubing

        • Medium and High Pressure Tubing

        • High-purity Tubing

        • More >

      • Sampling Systems

        • Bottle Sampling for Liquids, SL Series

        • Cylinder Sampling for Liquefied Gases, CL Series

        • Cylinder Sampling for Gases, CG Series

        • More >

      • Tooling

        • For General Instrumentation

        • For Medium & High Pressure

        • More >

      • Others

        • SilcoNert 2000-coated Products

        • Pressure Gauges

        • Gas Stick Assemblies

        • More >

  • LIBRARY

      • Product Catalogs

      • Certifications

      • CAD Files & Sales Drawings

      • Videos

      • Others

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Company Profile

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Press Releases

More

What are the types of valves

Apr 08,2024

How to select valves

Apr 08,2024

How to use the pressure reducing valve flow curve

Apr 08,2024

Exhibition

More

Welcome to ADIPEC 2024

Nov 22,2024

OGA Kuala Lumpur 2024 Exhibition

Jul 26,2024

The St. Petersburg International Gas Forum 2024

Jul 26,2024

ADIPEC – Abu Dhabi  2024 Exhibition

Jul 26,2024

Congratulations on the official operation of our website

Apr 08,2024

How to select filters

Apr 08,2024

How to maintain the valve

Apr 08,2024

BESTOK (Hebei) Valve Manufacturing Co.,Ltd.

North Longshan, Dawangdian town, Xushui district,Baoding, Hebei province, China.

+86-312-8962390

overseas@bestokgroup.com

Become a dealer
  • Products

    • Fittings

      • Tube Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • Pipe Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • Weld Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • DFF Series Tube Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • FH Series Medium Pressure Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • HH Series High Pressure Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • MPA Series Pipe Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Union Crosses - C

        • Others

      • MMA Series Adapter Fittings

        • Straight Connectors

      • V Series Micro Weld Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Union Crosses - C

        • Others

      • W1 Series Tube Butt Weld Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Others

      • VCR Series Metal Gasket Face Seal Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Union Crosses -C

        • Others

      • VCO Series O-ring Face Seal Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Union Crosses -C

        • Others

      • VFO Series L-ring Face Seal Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Union Crosses -C

        • Others

    • Valves

      • Ball Valves

        • 3-piece,~1000 psig, BE Series

        • 3-piece, ~3000 psig, BEH Series

        • Trunnion Type,~6000 psig BQ Series

        • Trunnion Type, ~10000 psig BQH Series

        • 1-piece Instrumentation, ~3000 psig, BX Series

        • Hex Bar Stock, ~1000 psig, BD Series

        • Hex Bar Stock,~2000 psig, BDA Series

        • Bar Stock,~10000 psig, BY Series

        • High Performance, ~6000 psig, BC Series

      • Plug Valves

        • -3000 psig,SV Series

      • Needle Valves

        • Screwed Bonnet, ~6000 psig, TN1 Series

        • Screwed Bonnet, ~10000 psig, TNH1 Series

        • Nonrotating-stem,~3000 psig, TN2 Series

        • Nonrotating-stem,-5000 psig,TNH2 Series

        • Forged Body, ~6000 psig, TN3 Series

        • Forged Body, ~10000 psig, TNH3 Series

        • Integral Bonnet, ~3000 psig, TN4 Series

        • Integral Bonnet, ~5000 psig, TNH4 Series

        • Union Bonnet, ~6000 psig, TN5 Series

        • Union Bonnet, ~10000 psig, TNH5 Series

        • Outside Screw and Yoke (Os&Y), ~6000 psig, TN6 Series

        • Toggle,~300 psig, TN7 Series

      • Bellows-sealed Valves

        • General Service,~1000 psig BS Series

        • Secondary Packed,~2500 psig BM Series

      • Metering Valves

        • Low-Flow, Cv 0.004, SC Series

        • Medium-Flow, Cy 0.03V, SD1 Series

        • High-Flow, Cv 0.15,SD Series

        • Medium-Flow High-Pressure,~5000 psig, SE Series

      • Check Valves

        • Poppet Type, ~3000 psig, C1 series

        • One Piece Body C2 Series

        • Poppet Type,~6000 psig, C3/CH Series

        • Adjustable, C4 Series

        • One Piece Body Adjustable, C5 Series

        • All-Welded Check Valves C6 Series

        • All-stainless steel Union Bonnet, C7 Series

      • Relief Valves

        • Proportional Relief Valves,UV Series

        • Proportional Relief Valves, UW Series

        • Proportional Relief Valves, UM Series

        • Medium-Pressure Relief Valves, UH and UA Series

        • Hiah-Pressure Relief Valves, UE Series

        • One-Piece Body Relief Valves, RUV Series

      • Bleed Valves

        • ~10000 psig, DV Series

      • Medium & High Pressure Ball Valves

        • ~10000 psig, B10 series

        • ~15000 psig,B15 Series

        • ~20000 psig,B20 Series

        • Paddle Assembly

      • Medium & High Pressure Needle Valves

        • ~10000 psig, T10 Series

        • ~15000 psig, T15 Series

        • ~20000 psig, T20 Series

        • ~30000 psig, T30 Series

        • ~60000 psig,T60 Series

        • Pneumatic Needle Valves

      • Medium & High Pressure Check Valve

        • ~10000 psig,C10 & CA10 Series

        • ~15000 psig, C15& CA15 Series

        • ~20000 psig,C20 & CA20 Series

        • ~60000 psig,C60 & CA60 Series

      • Medium & High Pressure Relief Valves

        • 1500~20000 psig, UH Series

        • 3000~60000 psig,UE Series

        • Adiustable,3000~20000 psig UA Series

      • Semiconductor & Speciality Gas Applications Diaphragm Valves

        • Low Pressure Pneumatic, GM Series

        • High Pressure Springless, GH Series

        • Low Pressure Ultra High Flow, GL Series

        • High Pressure High Flow, GF Series

        • Low Pressure Manual, GM Series

        • High Pressure Spring, DM Series

        • High Pressure Compact, DS Series

        • Low Pressure Medium Flow, DR Series

        • Low Pressure High Flow, DV Series

        • Atomic Layer Deposition, ALD Series

        • Economic Diaphragm Valves, DE Series

        • Surface Mount Diaphragm Valves, Dl Series

        • High Temperature Diaphragm Valves, DK Series

      • Semiconductor & Speciality Gas Applications Pressure Reducing Regulators

        • FR1S Series Compact Piston Line Pressure Regulator

        • FR2 Series Normal Diaphragm Line Pressure Regulator

        • FR3 Series Normal Diaphragm Line Pressure Regulator

        • FR4 Series Medium Flow Line Pressure Regulator

        • FRH Series High Pressure Piston Line Pressure Regulator

      • Semiconductor & Speciality Gas Applications Back Pressure Regulators

        • BPY Series Diaphragm Back Pressure Regulator

        • BPO Series Diaphragm Back Pressure Regulator

        • BPM Series Piston Back Pressure Regulator

        • BPH Series Piston Back Pressure Regulator

    • Manifolds

      • Gauge Valves

        • Ball Tip, ~6000 psig, BV Series

        • Ball Tip, ~10000 psig, BVH Series

      • Double Blockneedle Valves

        • TN1-D2

        • Outside Screw and Yoke (Os&Y), TO1-D2

      • Instrumentation Manifolds

        • 2-valve, V2 & VE2 & VH2 & VEH2 Series

        • 3-valve, V3 & VE3 & VH3 & VEH3 Series

        • 5-valve,V5 & VE5 & VH5 & VEH5 Series

      • Block and Bleed Valves

        • Single Block and Bleed, VB Series

        • Double Block, DVB Series

        • Single Block, MN Series

        • Double Block and Bleed, DMN Series

      • Air Headers and Distribution Manifolds

        • Modular, ~1000 psig, EB Series

        • ~6000 psig, CB Series

      • Medium & High Pressure Bleed Valves and Block &Bleed Valves

        • ~30000 psig, Bleed Valves, D15 & D20 & D30 Series

        • ~20000 psig, Block & Bleed Needle Valves, VB15 & VB20 Series

        • ~20000 psig,Double Block & Bleed Needle Valves DNT20 Series

        • ~15000 psig, Double Block & Bleed Ball Valves DNB15 Series

    • Filters

      • For General Instrumentation

        • Tee-type, FASeries

        • Bypass, FB Series

        • All-welded In-line, FW Series

        • In-line, F Series

      • For Medium & High Pressure

        • ~10000 psig, F10 & FM10 Series

        • ~15000 psig,F15 & FM15 Series

        • ~20000 psigF,20 & FM20 Series

        • ~60000 psig,F60 & FM60 Series

    • Quick-Connects

      • General Service, QC Series

      • Full Flow, QF Series

      • Double-end Shutoff, High Flow, QV Series

      • Miniature, QM Series

      • PTFE-sealed, QTM Series

    • Flexible Metal Hose

      • Metal Flexible Hoses, ~3100 psig, MEH Series

      • PTFE-lined,Stainless Steel Braided Hoses,~3000 psig. RP Series

    • Tubing

      • Instrumentation Tubing

        • MP Series

        • BA Series

        • EP Series

        • TC Series

      • Medium and High Pressure Tubing

        • T2M Series

        • T6H Series

    • Sampling Systems

      • Bottle Sampling for Liquids,SL Series

        • A Series

        • B Series

        • C Series

        • D Series

        • E Series

      • Cylinder Sampling for Liquefied Gases, CL Series

        • F Series

      • Cylinder Sampling for Gases, CG Series

        • G Series

      • Sampling Assemblies, Sample Cylinders and Accessories

        • Sampling Assemblies

        • Sample Cylinders and Accessories

    • Tooling

      • For General Instrumentation

        • Hand Tube Benders, HTB Series

        • Tube Cutters, FTC Series

        • Tube Deburring Tools, TDT Series

        • Manual Presetting Tools, PT Series

        • Hydraulic Presetting Tools, HPT Series

        • Gap Inspection Gauges, GlG Series

        • Bulkhead Retainers. BR Series

        • Universal Adapters Cases, ZR Series

        • Tee Wrench

      • For Medium & High Pressure

        • Manual Presetting Tools

        • Hydraulic Presetting Tools

        • Manual Coning Tools

        • Manual Threading Tools

        • Manual Reseating Tools

    • Others

      • Tube Clamps

        • TC Series

      • Syphons

        • BW, BS & BU Series

      • Condensate Pots And Vessels

        • CO Series

        • VE Series

      • SilcoNert 2000-coated Products

        • Tubing

        • Sample Cylinders

        • Valves

        • Fittings

        • Quick-connects

      • Pressure Gauges

        • Ultra High Purity Pressure Gauges, GP Series

        • All Stainless Steel Pressure Gauges, GA Series

        • Stainless Steel Safety Pressure Gauges, GB Series

        • Purity Gas Pressure Gauges, GC Series

      • Gas Stick Assemblies

        • High Purity Gas Stick Assemblies, AGH Series

        • General Gas Stick Assemblies, AGL Series

      • Changeover Systems

        • Automatic, Outlet pressure 85-265 psig, FDR-1LSeries

        • Automatic, Outlet pressure 0-150 psig, FDR-1T Series

        • Manual, Outlet pressure 0-500 psig, FDR-1 Series

        • Manual, Outlet pressure 0-2500 psig, FDR-2 Series

      • Point-of-use Panels

        • General, FPR-1 Series

        • Sensitive,FPR-1S Series

      • Pressure Control Panels

        • Outlet pressure 0-500 psig, FSR-1 Series

        • Outlet pressure 0-2500 psig,FSR-2 Series

      • Vacuum Generators

        • Vacuum Generators, VGB and VGM Series

        • Vacuum Generators, VGC Series

  • Home Category

  • CAD Files & Sales Drawings

    • Fittings

      • Tube Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • Pipe Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Union Crosses - C

        • Others

      • Weld Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • DFF Series Tube Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • FH Series Medium Pressure Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • HH Series High Pressure Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • MPA Series Pipe Fittings

        • Straight Connectors

        • Elbows

        • Tees

        • Union Crosses - C

        • Others

      • MMA Series Adapter Fittings

        • Straight Connectors

      • V Series Micro Weld Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Others

      • W1 Series Tube Butt Weld Fittings

        • Straight Connectors

        • Elbow

        • Tees

        • Union Crosses - C

        • Others

      • VCR Series Metal Gasket Face Seal Fittings

        • Straight Connectors

      • VCO Series O-ring Face Seal Fittings

      • VFO Series L-ring Face Seal Fittings

    • Valves

      • Ball Valves

        • Trunnion Type, BF & BFH Series

        • 3-piece, ~1000 psig, BG Series

        • 3-piece, ~3000 psig, BH Series

        • 1-piece Instrumentation, ~3000 psig, BO Series

        • Bar Stock, ~10000 psig, BP Series

        • Hex Bar Stock, ~1000 psig, BR Series

        • Hex Bar Stock, ~2000 psig, BRC Series

        • High Performance, ~6000 psig, BV Series

        • Alternative Fuel Service, ~6000 psig, BU Series

        • High Temperature Metal-seated, ~350℃, BK Series

        • High Purity Ball Valves

      • Plug Valves

        • ~3000 psig, PV Series

      • Needle Valves

        • Screwed Bonnet, ~6000 psig, NB Series

        • Nonrotating-stem, ~5000 psig, ND & NDH Series

        • Forged Body, ~10000 psig, NF and NFH Series

        • Integral Bonnet, ~5000 psig, NG & NGH Series

        • Rising Plug, ~6000 psig, NR & NRG Series

        • Toggle, ~300 psig, NT Series

        • Union Bonnet, ~10000 psig, NU & NUH Series

        • Outside Screw and Yoke (OS&Y), ~6000 psig, NY Series

      • Bellows-sealed Valves

        • General Service, SW Series

        • Secondary Packed, SU Series

        • Ultra High Purity, ~500 psig, SM Series

        • Ultra High Purity, ~3500 psig, SVH Series

      • Metering Valves

        • Low-Flow, Cv 0.004, MS Series

        • Medium-Flow, Cv 0.03, MV Series

        • High-Flow, Cv 0.15, ML Series

        • Medium-Flow High-Pressure, ~5000psig, MH Series

        • Bellows-sealed, MU Series

      • Diaphragm Valves

        • Low Pressure Manual, DQ Series

        • Low Pressure Pneumatic, Dp Series

        • High Pressure Springless, DH Series

        • High Pressure Spring, D Series

        • High Pressure Compact, DS Series

        • Low Pressure Medium Flow, DRSeries

        • Low Pressure High Flow, DV Series

        • Low Pressure Ultra High Flow, DLSeries

        • High Pressure High Flow, DF Series

        • Atomic Layer Deposition, ALD Series

        • Economic Diaphragm Valves, DE Series

        • High Temperature Diaphragm Valves, DK Series

        • Two-Step Pneumatic Diaphragm Valves, DPT Series

      • Check Valves

        • Poppet Type, ~3000 psig, CV series

        • PoppetType,~6000 psig, CH Series

        • One Piece Body, CO Series

        • Adjustable, CA Series

        • One Piece Body Adiustable, COA Series

        • All-stainless steel Union Bonnet, CLSeries

        • HP & UHP Check Valves

        • Anti-Siphon Back Pressure CheckValves, CSV Series

      • Relief Valves

        • Proportional Relief Valves, RV Series

        • Proportional Relief Valves, RL Series

        • Proportional Relief Valves, RM Series

        • Medium-Pressure Relief Valves, HAR and HSR Series

        • High-Pressure Relief Valves, HMR Series

        • One-Piece Body Relief Valves, RUV Series

      • Bleed Valves

        • ~10000 psig, RB Series

      • Purge Valves

        • ~4000 psig, RP Series

      • Medium & High Pressure Ball Valves

        • ~10000 psig, B10 Series

        • ~15000 psig, B15 Series

        • ~20000 psig,B20 Series

        • Paddle Assembly

      • Medium & High Pressure Needle Valves

        • ~10000 psig, T10 Series

        • ~15000 psig, T15 Series

        • ~20000 psig, T20 Series

        • ~30000 psig, T30 Series

        • ~60000 psig, T60 Series

      • Medium & High Pressure Check Valve

        • ~10000 psig, C10 & CA10 Series

        • ~15000 psig,C15 & CA15 Series

        • ~20000 psig, C20 & CA20 Series

        • ~60000 psig, C60 & CA60 Series

      • Medium & High Pressure Relief Valves

        • 1500~20000 psig, UH Series

        • 3000~60000 psig, UE Series

        • Adjustable, 3000~20000 psig, UA Series

    • Manifolds

      • Block and Bleed Valves

        • Single Block and Bleed, BB Series

        • Double Block, DB Series

        • Single Block, SB Series

        • Double Block and Bleed, DBB Series

      • Air Headers and Distribution Manifolds

        • Modular, ~1000 psig, AH Series

        • -6000 psig, CM Series

      • Medium & High Pressure BleedValves and Block & Bleed Valves

        • ~30000 psig, Bleed Valves, 15BV & 20BV & 30BV Series

        • ~20000 psig,Block& Bleed Needle Valves, 15BN & 20BN Series

        • ~20000 psig, Double Block & Bleed Needle Valves, 20DBN Series

        • ~15000 psig, Double Block & Bleed Ball Valves, 15DBB Series

      • Gauge Valves

        • Ball Tip, ~6000 psig, GV series

        • Ball Tip, ~10000 psig, GVH Series

        • Plug Tip, ~6000 psig, GR Series

      • Instrumentation Manifolds

        • 2-valve, 2D & 2R & 2DH & 2RH Series

        • 3-valve, 3D & 3R & 3DH & 3RH Series

        • 5-valve,5D &5R & 5DH & 5RH Series

    • Filters

      • For General Instrumentation

        • Tee-type, FA Series

        • Bypass, FB Series

        • In-line, F Series

        • All-welded In-line, FW Series

      • For Medium & High Pressure

        • ~10000 psig, F10 & FM10 Series

        • ~15000 psig, F15 & FM15 Series

        • ~20000 psig, F20 & FM20 Series

        • ~60000 psig, F60 & FM60 Series

    • Quick-Connects

      • General Service, QC Series

      • Full Flow, QF Series

      • Double-end Shutoff, High Flow, QV Series

      • Miniature, QM Series

      • PTFE-sealed, QTM Series

    • Flexible Metal Hose

      • Metal Flexible Hoses, ~3100 psig, MEH Series

      • PTFE-lined, Stainless Steel Braided Hoses,~3000 psig, RP Series

      • Calibration Fittings and Hoses

        • ~10000 psig, Quick-test Fittings, QT &HQTSeries

        • ~10000 psig, Quick-test Hoses, QH &HQHSeries

    • Tubing

      • Instrumentation Tubing

        • MP Series

        • BA Series

        • EP Series

        • TC Series

      • Medium and High Pressure Tubing

        • T2M Series

        • T6H Series

    • Sampling Systems

      • Bottle Sampling for Liquids, SL Series

        • A Series

        • B Series

        • C Series

        • D Series

        • E Series

      • Cylinder Sampling for Liquefied Gases,CL Series

        • F Series

      • Cylinder Sampling for Gases, CG Series

        • G Series

      • Sampling Assemblies, Sample Cvlinders and Accessories

        • Sampling Assemblies

        • Sample Cylinders and Accessories

    • Tooling

      • For General Instrumentation

        • Hand Tube Benders, HTB Series

        • Tube Cutters, FTC Series

        • Tube Deburring Tools, TDT Series

        • Manual Presetting Tools, MPT Series

        • Hydraulic Presetting Tools, HPT Series

        • Gap Inspection Gauges, GlG Series

        • Bulkhead Retainers, BR Series

        • Universal Adapters Cases, ZR Series

        • Tee Wrench

      • For Medium & High Pressure

        • Manual Presetting Tools

        • Hydraulic Presetting Tools

        • Manual Coning Tools

        • Manual Threading Tools

        • Manual Reseating Tools

    • Others

      • SilcoNert 2000-coated Products

        • Tubing

        • Sample Cylinders

        • Valves

        • Fittings

        • Quick-connects

      • Pressure Gauges

        • Ultra High Purity Pressure Gauges, GP Series

        • All Stainless Steel Pressure Gauges, GA Series

        • Stainless Steel Safety Pressure Gauges, GB Series

        • Purity Gas Pressure Gauges, GC Series

      • Gas Stick Assemblies

        • High Purity Gas Stick Assemblies, AGH Series

        • General Gas Stick Assemblies, AGL Series

      • Changeover Systems

        • Automatic, Outlet pressure 85-265 psig, FDR-1L Series

        • Automatic, Outlet pressure 0-150 psig, FDR-1T Series

        • Manual, Outlet pressure 0-500 psig, FDR-1 Series

        • Manual, Outlet pressure 0-2500 psig, FDR-2 Series

      • Point-of-use Panels

        • General, FPR-1 Series

        • Sensitive, FPR-1S Series

      • Pressure Control Panels

        • Outlet pressure 0-500 psig, FSR-1Series

        • Outlet pressure 0-2500 psig, FSR-2 Series

      • Syphons

        • WS, LWS & UWS Series

      • Condensate Pots

        • CP Series

      • Vacuum Generators

        • Vacuum Generators, VGB and VGM Series

        • Vacuum Generators, VGC Series

      • Tube Clamps

        • FC & CS Series

  • Product series

    • Fittings

    • Valves

    • Manifolds

    • Filters

    • Quick-Connects

    • Flexible Metal Hose

    • Sampling Systems

    • Tooling

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