Cartridge Valves - Cartridge Pressure Relief Valve

//RM27-00, Poppet Type, Pilot Operated, M27x1.5 Threaded Cartridge Pressure Relief Valve

RM27-00, Poppet Type, Pilot Operated, M27x1.5 Threaded Cartridge Pressure Relief Valve

PRODUCT TYPE: RM27-00, Poppet Type, Pilot Operated, Cartridge Pressure Relief Valve
VALVE THREADED: M27x1.5
CONTROL METHOD: Poppet Type
APPLICATION: To Hydraulic Blocks or Manifolds
CONNECTION TYPE: Threaded, Screw-in Connection
CONTROL METHOD: Hydraulic
PART NOS.: FT-RM27 Series
APPROXIMATE WEIGHT: 0.40Kgs
RELATED CAVITY, PARTS:
Valve Cavity: Below
Valve Housings:
FEATURE: 
– Four pressure stage of factory setting and cracking pressure optional
– No leakage, dirt hydraulic oil tolerant for used hydraulic oil
– Standard relief testing, precisely pressure adjustment as per requirement

Hydraulic cartridge pressure relief valve RM27-00 is poppet type structure, pilot operated control and relief with check function valve. The inlet port of P and T outlet port is not through when the pressure at P port does not reach 90% of spring force. The hydraulic relief cartridge valve starts to overflow from P port to T port if the system operation pressure is rising to 90% of spring force and goes up until the main pressure achieving Max. setting pressure of spring.

The cartridge pressure relief valve is working the main component of hydraulic system, therefore, the valve sensitive response to the abnormal pressure is the key test for valve. Finotek tests the hydraulic relief cartridge valve strictly, especially the valve spring, poppet and poppet seat, which allows the valve will work properly in its working condition.

Hydraulic-Relief-Cartridge-Valve-Details

RM27-00 Cartridge Pressure Relief Valve Ordering Code

Example (Normal code): “FT-RM27-00A-N-15 ” Explanation As Below:

FT- RM27-00 A N 15
(1) (2) (3) (4) (5)

(1) Supplier = By Finotek
(2) Valve Type = RM27-00, Poppet Type, Pilot Operated, Check Relief Cartridge Valve
(3) Adjustment:  A= 1/4 in. Hex Allen Head ; B= 1-1/2 in. Dia. Alum. Knob ; C= Option A w/ Cover Cap

(4) Seals: N= Buna (Std.) ; V= Fluorocarbon
(5) Pressing Range:  15= 3.5 ~ 150bar ;  25= 20 ~ 250bar;  35= 50 ~ 315bar 

RM27-00 Cartridge Pressure Relief Valve Technical Information

Working Operation Pressure: 315bar(4568psi)
Max. Flow: 113Lmin.
Inner Leakage: Less than 0~3cc/min. at 80% ~ 90% nominal setting pressure
Working Tem.:  -30oC to +120oC
Standard Spring Ranges: Due to manufacturing tolerances, there is a possible to adjust the valve either lower or higher than the nominal ratings

Media Temperature: -30 to +80(°C)for NBR O-rings
Body/Housing Material:
Anodized 6061-T6 Aluminum alloy for pressure of 210bar(3045psi)
Oil Medium: Mineral oil as per DIN51 524, VDMA 24 568 or rapeseed oil, Viscosity 10 – 400 CST
Recommended Medium Filtration: ISO 4406 Standard, cleanliness class:20/18/15

RM27-00 Cartridge Pressure Relief Valve Symbol

Pilot-Check-Relief-Cartridge-Valve-symbol

RM27-00 Cartridge Pressure Relief Valve Flow Performance

Hydraulic-Relief-Cartridge-Valve-Curve

RM27-00 Cartridge Pressure Relief Valve Dimensions & Cavity

Hydraulic-Relief-Cartridge-Valve-Dimensions
Hydraulic-Relief-Cartridge-Valve-Cavity
2018-05-25T02:55:33+00:00

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