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Parker 870ISFS8FF - Ultrahigh-purity (UHP) High-flow Diaphragm Valve – 870 Series

The 870 Series Diaphragm Valve offers long life and exceptional leak integrity. It can be manually or air-operated and is ideally suited for use in high-flow, high-purity applications (maximum flow capacity = 0.70 Cv).

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Brand Parker

Part No. 870ISFS8FF

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Products specifications

Attribute name	Attribute value
Diaphragm Material	Elgiloy	Flow Rate	0.7
Minimum Operating Temperature	-40	Air Inlet Connection Size	1/8" NPT
Body Material	VeriClean™ Stainless Steel 316L	Surface Finish	10 Micro inch
Internal Leak Rate	≤ 1 x 10-9 Scc/sec He	Cap Material	Stainless Steel 17-4 PH
Nut Material	Stainless Steel 17-4 PH	Minimum Inlet Pressure Rating	Vacuum
Proof Pressure	375.0	Actuation Pressure	70 to 125
Volume	0.59	Maximum Inlet Pressure Rating	250 psig (17.22 barg) (Manual)
Burst Pressure	750 Psig (52 barg)	Maximum Operating Temperature	66
Seat Material	PCTFE	External Leak Rate	≤ 2 x 10-10 Scc/sec He
Division	Veriflo Division	Weight	1.44
Actuator Housing Material	Anodized Aluminum	Inlet Port Connection Type	1/2” Female Face Seal
Outlet Port Connection Type	1/2” Female Face Seal	Actuation	Indicating Handwheel

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