Item # 5132B-2MP, Inline Relief Valves On Circle Valve Technologies Inc.

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	Item # 5132B-2MP, Inline Relief Valves
	List Price =CASE WHEN ISNUMERIC({Cracking Pressure Setting1})=1 THEN {Cracking Pressure Setting1} + {Base Price} WHEN ISNUMERIC({Cracking Pressure Setting1})=0 THEN {Base Price} END=

5100 series csc relief valve 5120b-2mp-100

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Features

Zero leakage up to 95% of cracking pressure
Positive reseat at high percentage of cracking pressure
Accurate set pressure
Wide range of cracking pressure
Tamper-proof adjustment
PED certifications and CE marking available for most models

Note:
Proper filtration is recommended to prevent damage to sealing surfaces.
Repair Kit:
In normal service, the only part(s) which may require replacement is(are) the seal(s). A repair kit may be ordered by placing a ‘K/’ in front of the complete part number (i.e. K/5159B–2MP–20).

Unit of Measure: Imperial Metric Both

Specifications · Reseal Pressure and Leakage

Specifications

Series

5100

Body Material¹

Brass

O-Ring Material

Viton®

Valve Size

1/4 in

End Connections (Inlet/Outlet)

Inline male pipe by female pipe

Operating Pressure

10 to 2400 psig
0.7 to 165 bar

Cracking Pressure

10 to 2400 psig

Operating Temperature

-20 to 400 ºF

Cracking Pressure Tolerance²

±5%

Weight

.66 lbs

¹ For PED applications, brass bodies are limited to a maximum temperature of +100°F (+38°C)
Steel is not available for PED applications.
² Cracking pressures below 20 psig have a tolerance of ±20%.

Reseal Pressure and Leakage

Reseal Pressure
The reseal point is the point at which the valve seals absolutely tight so that there is no leakage detectable by normal means of measurement. The point at which the valve closes, cutting off virtually all flow, is called the reseat point. The reseat point is substantially above the reseal.

	Crack Pressure	Reseal Pressures
Elastomeric seals	C.P. > 100 psi	90% of C.P.
	C.P. <100 psi	70% to 89% of C.P.
Teflon® seals	C.P. > 450 psi	90% of C.P.
	C.P. < 450 psi	52% to 90% of C.P.

Leakage at reseal pressure

Elastomeric seals	Ascending pressure = zero up to 95% of cracking pressure
	Descending pressure = zero at reseal and below
Teflon® seals	Ascending pressure = zero up to reseal pressure, then 10cc/min between reseal and cracking pressure
	Descending pressure = zero at reseal, except with cracking pressure below 451 psi, then 1cc/min maximum

First crack pressure after standing unactuated for a prolonged period

Set pressure of?	5-19 psi	125% of cracking pressure
	20-29 psi	120% of cracking pressure
	30-49 psi	115% of cracking pressure
	50 psi and higher	110% of cracking pressure

MORE IMAGES


	· 5100 Series How it Works

	· Circle Seal Inline Relief Valve 5100 Series Dimensional Drawing

DOWNLOADS


		5100 Series Flow Charts (PDF, 181KB)

		5100 Series Cracking & Reseat Charts (PDF, 88KB)

		5100 Series Dimensions (PDF, 47KB)

Item # 5132B-2MP, Inline Relief Valves