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Fisher Emerson Second-Stage Regulator R642-DFF, Inlet - 3/4 FNPT, Outlet - 3/4 FNPT

R642.webp

Part Number : R642-DFF

Brand : Fisher

Types R642 and R652 are designed for domestic applications up to 920,000 / 10.4 and 1,000,000 BTU per hour / 11.3 SCMH, respectively. These units provide all the same features as the Type R622, including the 20-year recommended replacement life and double failure protection, in an angle body for the Type R642 and backmounted design for the Type R652.

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Description
Specifications
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Description

Types R222, R622, R642, R652 and HSRL Second-Stage regulators are Underwriters Laboratories (UL®) listed regulators designed to reduce the outlet pressure from a First-Stage regulator, usually 10 psig / 0.69 bar to 11 in. w.c. / 27 mbar, in domestic installations. Vents are screened with standard orientation over the inlet, but other orientations are available. Fisher™ Second Stage regulators are painted palm green for easy identification. Types R222, R622, R642 and R652 are equipped with a stainless steel inlet screen to reduce the amount of debris entering the regulator and have a temperature rating of -20 to 160°F / -29 to 71°C, but have passed Fisher internal testing for lockup, relief start-to-discharge and reseal down to -40°F / -40°C.

Type R642

Types R642 and R652 are designed for domestic applications up to 920,000 / 10.4 and 1,000,000 BTU per hour / 11.3 SCMH, respectively. These units provide all the same features as the Type R622, including the 20-year recommended replacement life and double failure protection, in an angle body for the Type R642 and backmounted design for the Type R652.

Downloads

Fisher Regulators Datasheet

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Specifications

CAPACITIES (PROPANE)(1) BTU / hr
1. Based on 10 psig / 0.69 bar inlet pressure and 2 in. w.c. / 5 mbar droop.
920000
CAPACITIES (PROPANE)(1) SCMH
1. Based on 10 psig / 0.69 bar inlet pressure and 2 in. w.c. / 5 mbar droop.
10.4
CAPACITIES (PROPANE)(1) kg/hr
1. Based on 10 psig / 0.69 bar inlet pressure and 2 in. w.c. / 5 mbar droop.
17.92
INLET CONNECTION, IN
3/4 FNPT
OUTLET CONNECTION, IN
3/4 FNPT
OUTLET PRESSURE RANGE, In. w.c.
9 to 13
OUTLET PRESSURE RANGE, mbar
22 to 32
OUTLET PRESSURE SETTING, In. w.c.
11
OUTLET PRESSURE SETTING, mbar
27
Additional Info
2. Consult Us for alternate vent over outlet position as “XA” option
Brand
Fisher

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