Pumps, Valves & Spares
JYS35-25-S Pressure Regulator
JYS35-25-S
The JYS35-25-S is a manually operated 1 in. NPT pressure regulator listed in the catalog product range.
View equipment
OEIL / EQUIPMENT REFERENCEPumps, Valves & Spares
20 Series UNF Check Valves
YFCV20 series; UNF reference
The YFCV20 UNF check valve range provides one-way liquid flow with a 20,000 psi / 1,379 bar catalog pressure reference.
Share your application and required configuration for a project-specific quotation.
Product overview
The YFCV20 UNF check valve range provides one-way liquid flow with a 20,000 psi / 1,379 bar catalog pressure reference.
A spring-loaded poppet and ceramic ball provide the non-return function. Match the ordering code, flow bore, body material and end-connection drawing to the intended circuit. Replacement components are identified in the parts table below.
Ordering codes and reference dimensions
| Ordering code | Bore mm (in.) | Tube size | A (mm) | B (mm) | C (mm) | Pressure psi (bar) |
|---|---|---|---|---|---|---|
| YFCV20SU-HF4-B | 3(0.12) | 1/4" | 55 | 75 | 21 | 20,000 (1379) |
| YFCV20SU-HF6-B | 5(0.20) | 3/8" | 73 | 100 | 29 | 20,000 (1379) |
| YFCV20SU-HF8-B | 8(0.32) | 9/16" | 95 | 130 | 38 | 20,000 (1379) |
| YFCV20SU-HF12-B | 11(0.43) | 3/4" | 114 | 153 | 42 | 20,000 (1379) |
| YFCV20SU-HF16-B | 14(0.55) | 1" | 152 | 203 | 56 | 20,000 (1379) |
| YFCV20SS-HF4-B | 3(0.12) | 1/4" | 55 | 75 | 21 | 20,000 (1379) |
| YFCV20SS-HF6-B | 5(0.20) | 3/8" | 73 | 100 | 29 | 20,000 (1379) |
| YFCV20SS-HF8-B | 8(0.32) | 9/16" | 95 | 130 | 38 | 20,000 (1379) |
| YFCV20SS-HF12-B | 11(0.43) | 3/4" | 114 | 153 | 42 | 20,000 (1379) |
| YFCV20SS-HF16-B | 14(0.55) | 1" | 152 | 203 | 56 | 20,000 (1379) |
Codes follow the catalog table. Confirm the connection drawing and complete ordering code before purchase.
Replacement component reference
| No. | Part | Material |
|---|---|---|
| 1 | Body | 304/316 stainless steel |
| 2 | Spring | Stainless steel |
| 3 | Poppet | Brass / 304 / 316 stainless steel |
| 4 | Ceramic ball | Ceramic |
| 5 | Seat | 304/316 stainless steel |
| 6 | O-ring | NBR / FKM |
| 7 | Bonnet | 304/316 stainless steel |
Identify parts by the valve model and original assembly drawing; materials and seals depend on the selected configuration.
Ceramic-ball non-return design
Stainless steel spring
Model-specific bore and connection options
Reference specifications
| Parameter | Specification |
|---|---|
| Reference model / series | YFCV20 series; UNF reference |
| Working pressure reference | 20,000 psi / 1,379 bar |
| Connection reference | UNF |
| Opening pressure reference | 0.966–1.794 bar (14–26 psig) |
| Body / seat / bonnet | 304 / 316 stainless steel |
Reference configuration from the OEIL catalog. Final specifications, document scope and suitability are confirmed in the quotation.
View the source catalog, PDF pages 25What to include in your enquiry
- Required model, quantity and destination
- Working medium, required pressure and flow
- Connection standard, materials and seal compatibility
- Available utilities, ambient conditions and required documents
Before you enquire
Can this check valve serve as a safety valve?+
No. The catalog identifies it as a non-return valve and states that it must not be used as a safety valve.
How are spare components identified?+
Provide the full valve model, connection size and a drawing or photograph, and identify the required component using the parts table.
CONTINUE EXPLORING
View all Related equipment
Pumps, Valves & Spares
JYS21-25-S Pressure Regulator
JYS21-25-S
The JYS21-25-S is a manually operated 1 in. NPT pressure regulator listed in the catalog product range.
View equipment
Pumps, Valves & Spares
JYS21-8-S Pressure Regulator
JYS21-8-S
The JYS21-8-S is a 1/4 in. manual regulator with a 21 MPa maximum inlet-pressure reference.
View equipment