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BiS is an internationally recognised company with over 30 years experience in the design and manufacture of a wide range of small bore stainless steel pressure and flow control valves for high pressure liquid and gas.

Operating in a variety of sectors, we are a leading supplier to the Offshore Oil and Gas industry for topside, subsea and downhole applications where quality, reliability and safety are critical.

With an extensive range of standard products and a bespoke design service we aim to provide the solutions for your applications.

 

英國BIS閥門有限公司成立于1971年，主要提供工業流體控制產品，作為一個專業的流體控制專家，不斷的為客戶提供優質的產品與服務。針對高壓液體和氣體，公司不斷的研發一系列的小口徑不銹鋼壓力閥，在石油，天然氣工業，海底和井下應用非常廣泛。
 

BIS液壓元件：電磁閥、計量閥，3位換向閥、4位換向閥、止回閥，單向閥、溢流閥、流量控制閥、過濾器、壓力傳感閥、泵，執行器等。
 

We offer a comprehensive range of safety relief and relief valves for use on a wide range of media, from low pressure valves that vent to atmosphere, to high pressure （1379 bar, 20,000 psi） piped return valves. Typically, low pressure valves offer a pop-open style characteristic, while higher pressure valves offer proportional or metering style operation. BiS relief valves are CE marked to denote approval as Category IV safety accessories under the 97/23/EC Pressure Equipment Directive. Many options are available, including cartridge and manifold mounted versions, and many valves are available in exotic materials via the factory, including monel, inconel, hasloy and titanium.

SAFETY RELIEF VALVE （L.P.） （S25）

1/4" Stainless Steel Vent to Atmosphere Style Safety Relief Valve for Set Pressures from 0.7 to 40 bar, with Liquid or Gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （S37）

3/8" Stainless Steel Vent to Atmosphere Style Safety Relief Valve for Set Pressures from 0.7 to 40 bar, with Liquid or Gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （S50）

1/2" Stainless Steel Vent to Atmosphere Style Safety Relief Valve for Set Pressures from 0.7 to 40 bar, with Liquid or Gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （S75）

3/4" Stainless Steel Vent to Atmosphere Style Safety Relief Valve for Set Pressures from 0.7 to 40 bar, with Liquid or Gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （S100）

1" Stainless Steel Vent to Atmosphere Style Safety Relief Valve for Set Pressures from 0.7 to 18 bar, with Liquid or Gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （SM25UF-RG）

Low Flow Stainless Steel Vent to Atmosphere Style Safety Relief Valve with Relieving Gear for set pressures from 0.7 to 19 bar, with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （TS25）

1/4" Stainless Steel Safety Relief Valve for set pressures from 0.7 to 40 bar, with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （TS37）

3/8" Stainless Steel Safety Relief Valve for set pressures from 0.7 to 40 bar, with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （TS50）

1/2" Stainless Steel Safety Relief Valve for set pressures from 0.7 to 40 bar, with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （TS75）

3/4" Stainless Steel Safety Relief Valve for set pressures from 0.7 to 40 bar, with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

SAFETY RELIEF VALVE （L.P.） （TS100）

1" Stainless Steel Safety Relief Valve for set pressures from 0.7 to 28 bar, with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

CARTRIDGE RELIEF VALVE （L.P.） （TS25C）

1/4" Stainless Steel Cartridge Style Safety Relief Valve for incorporation into manifolds, where low set pressures are required. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （HS25）

1/4" Stainless Steel Vent to Atmosphere Style Relief Valve for set pressures from 400 to 2,000 psi, with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （HTS25）

1/4" Stainless Steel Relief Valve for set pressures from 400 to 2,000 psi, with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL25）

1/4" Stainless Steel Relief Valve for pressures up to 15,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL37）

3/8" Stainless Steel Relief Valve for pressures up to 15,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL25-G）

1/4" Stainless Steel Relief Valve with Soft Seats for pressures up to 6,000 psi with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL37-G）

3/8" Stainless Steel Relief Valve with Soft Seats for pressures up to 6,000 psi with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

CARTRIDGE RELIEF VALVE （H.P.） （RL25C）

1/4" Stainless Steel Cartridge Style Relief Valve for pressures up to 15,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL25M）

1/4" Stainless Steel Manifold Mounted Style Relief Valve for pressures up to 15,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL50）

1/2" Stainless Steel Relief Valve for pressures up to 15,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL50-G）

1/2" Stainless Steel Relief Valve with Soft Seats for pressures up to 6,000 psi with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL50M）

1/2" Stainless Steel Manifold Mounted Style Relief Valve for pressures up to 15,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL75）

3/4" Stainless Steel Relief Valve for pressures up to 15,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL75-G）

3/4" Stainless Steel Relief Valve with Soft Seats for pressures up to 6,000 psi with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

CARTRIDGE RELIEF VALVE （H.P.） （PRV75C）

3/4" Stainless Steel Cartridge Style Relief Valve for pressures up to 6,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL100）

1" Stainless Steel Relief Valve for pressures up to 3,000 psi. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.

RELIEF VALVE （H.P.） （RL100-G）

1" Stainless Steel Relief Valve with Soft Seats for pressures up to 3,000 psi with liquid or gas. Approved as a Safety Accessory to Category IV of the Pressure Equipment Drective 97/23/EC.