Danfoss RPC12 Technical Information

Pilot Operated Check Valves Technical Information

Pilot to Open RPC12

OPERATION

This is a pilot-to-open check valve.

SPECIFICATIONS	Theoretical performance
				Pressure drop
	psi	bar 26 cSt [121 SUS] hyd.oil at 50ƱC [122 ƱF]
	150	10					3-2
		8					2-3
	100
		6
	50	4
		2
	0	0	20	40	60	80	100	120 l/min
			0	8	16		24	32 gal/min

Schematic

Specifications

Rated pressure	315 bar [4570 psi]
Rated flow at 7 bar	90 l/min
[100 psi]	[23.8 US gal/min]
Weight	0.20 kg [0.44 lb]
Pilot ratio	2.8:1
Cavity	NCS12/3

Note: A piston seal requires a 5 bar [72.5 psi] or greater return spring.

DIMENSIONS	Cross-sectional view
mm [in]
38 mm	66
90-100 Nm
[66.4-74 lbf*ft]	[2.60]	M33 X 2

			1
	3	2	5.5
	14	65.5
			[0.22]
	[0.55]	[2.58]

ORDERING	RPC12-5-OR-00-V
INFORMATION	Pilot to Open		Seal Option	Seal Kit
			Omit = Buna-N	230000130
	Crack Pressure		V = Viton	230000360

<![if ! IE]> <![endif]>Ø 26.7 [Ø 1.06]

<![if ! IE]> <![endif]>Ø 27.7 [Ø 1.10]

<![if ! IE]> <![endif]>Ø 37.6 [Ø 1.50]

0.50.5 bar [7 psi]

2.52.5 bar [36.2psi]

5 5.0 bar [72.5 psi]

10 10 bar [145 psi]

Pilot Seal Option

Omit	No Seals
OR	Seals

Code	Ports & Material Body Nomenclature
00	00 = Cartridge only	00 = Cartridge only
SE1/2	AL, 1/2 BSP	NCS12/3-SE-1/2
SE3/4	AL, 3/4 BSP	NCS12/3-SE-3/4
SE8S	AL, #8 SAE	NCS12/3-SE-8S
SE12S	AL, #12 SAE	NCS12/3-SE-12S

**Aluminum bodies are to be used for pressures less than 210 bar (3000 psi)

***Other housings available

BC332375625108en-000101 • February 2020

PO - 9