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Type 636 - Refrigeration

Datasheet:


Min. Pressure	-	6.60 bar g. (95.70 psi g.)
Max. Pressure	-	55.20 bar g. (800.40 psi g.)
Temperature Range	-	-30 °C to 200 °C (subject to seal material)
Inlet Connection(s)	-	3/8” to 1 1/2” (depending on bore size)
Outlet Connection(s)	-	3/4” to 1 1/2” (depending on bore size)
Flow Rate	-	Refer to Flow Tables on the datasheet
Materials	-	Bronze
Seal Materials	-	Bonded Elastomer
Test Certification	-	Included - supplied Free of charge
Approvals	-	UKCA - PE(S)R BS EN ISO 4126-1 ASME Section VIII Division 1 Pressure Equipment Directive, PED (CE marked) EAC customs union (Russia, Belarus and Kazakhstan)

Material of Construction:
Brass and Bronze (for Stainless Steel see type 646).

Flows Rates:
See datasheet

Product Description:
Enclosed Discharge Safety Relief Valve for Refrigeration
Available with 10, 13 and 18mm nominal bore - See Datasheet

Notes:
Maximum permissible built up back pressure is 10% of set pressure
Stable operation on flows down to 50% of valve rated capacity
Relieving pressure is set pressure +10%
Reseating pressure is set pressure -10%