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Parker FR1203LS12K2PFS6FF - UHP High-flow Tied-diaphragm Pressure Regulator (up to 3/4 inch) – FR1200 Series

The FR1200 Series Tied-diaphragm Regulator offers high flow and excellent leak integrity at inlet pressures up to 1,700 psig. It has a low spring rate for high sensitivity and is ideal for ultra-high purity bulk and specialty gas delivery systems.

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Brand Parker

Part No. FR1203LS12K2PFS6FF

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Products specifications

Attribute name	Attribute value
Body Material	316L Stainless Steel	Division	Veriflo Division
Seat Material	PCTFE	Volume	1/4"- 1.02 in3 (16.7 cm3)1<br/>1/2" - 1.41 in3 (23.1 cm3)1<br/>3/4" - 2.42 in3 (39.7 cm3)1
Port Type	3/8" Female Face Seal	Surface Finish	Passivated & Electropolished
Poppet Material	316L Stainless Steel (std)	Flow Coefficient	1.2
Diaphragm Material	Ni-Cr-Mo alloy (Hastelloy® or equivalent)	Internal Leak Rate	≤ 4 x 10-8 scc/sec He
Operating Temperature	-40 to 150	Outlet Pressure Rating	1 - 30 psig
Burst Pressure	5100 psig	Proof Pressure	2,550 psig
External Leak Rate	≤ 2 x 10-10 scc/sec He (Inboard)	Supply Pressure Effect	6.8 psig / 100 psig
Inlet Pressure Rating	0 - 300	Body Material	316L Stainless Steel
Outlet Pressure	1 - 30 psig	Inlet Port Connection Type	3/8" Female Face Seal
Outlet Port Connection Type	3/8" Female Face Seal	Inlet Pressure Range (psig)	0 - 300 psig

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