By using seetrudirect.com you agree to our use of cookies to enhance your experience.

Please visit the new www.seetru.com

Wednesday April 30, 2025

+44 (0) 117 930 6100info@seetru.com

Home

Same Day Despatch
LGS^® Safety Relief Valves - WRAS & KUKReg 4 approved LGS^® HI-FLOW Safety Relief Valves - WRAS & KUKReg 4 approved Type 818 & 848 - Atmospheric Safety Valves 64610 - Enclosed Discharge Safety Valves Type 526 - Leser Flanged API Valves P3W Pressure and Temperature Relief Valve

Portal

Flows/Pricing

Home / Products / Valves / Steam / Type 946

send us an enqu

Type 946 Metal-to-Metal Sealing Enclosed Discharge Safety Relief Valve

Type 946 Metal Seal Safety Relief Valve For Steam

Datasheet:


Min. Pressure	-	0.30 bar g. (4.35 psi g.)
Max. Pressure	-	28.00 bar g. (406.00 psi g.)
Temperature Range	-	-196 °C to 250 °C (subject to seal material)
Inlet Connection(s)	-	1/2" to 2" BSP, BSPT or NPT
Outlet Connection(s)	-	1" to 2" BSP
Flow Rate	-	Refer to Flow Tables on the datasheet
Materials	-	Brass & Bronze or St. Steel
Test Certification	-	Included - supplied Free of charge
Approvals	-	UKCA - PE(S)R BS EN ISO 4126-1 Pressure Equipment Directive, PED (CE marked) EAC customs union (Russia, Belarus and Kazakhstan)

Flows Rates Calculated:
See Datasheet

Product Description:
Stainless Steel construction, direct spring loaded Enclosed Discharge Safety Valve for Steam.
Available with 10, 15, 20 and 25mm bore sizes - See datasheet

Notes:
Relieving pressure is set pressure +10% (0.1 bar g. below 1.0 bar g.)
Reseating pressure is set pressure -10% (0.3 bar g. below 3.0 bar g.)n down to 50% of valve rated capacity.
Leak tightness at 90% set pressure to API 527 and in accordance with EN ISO 4126-1