Genuine OTECO manual reset relief valve replacement parts and repair kits. Complete catalog of 14 component items for Standard and Sour Gas service, including bodies, subs, pistons, seals, retainers, and union assemblies. Minor and Major repair kits available.
OTECO Manual Reset Relief Valve Parts & Repair Kits – Complete Replacement Components
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Description
OTECO Manual Reset Relief Valve Parts & Components – Complete Replacement Parts Catalog
OTECO Manual Reset Relief Valve Parts provide genuine replacement components for maintaining and repairing your OTECO manual reset relief valves. Our comprehensive parts catalog covers all critical components for both Standard Service and Sour Gas (H₂S) Service valves, ensuring your pressure protection equipment operates at peak performance and safety.
Each component is manufactured to exact OTECO specifications, using the same high-quality materials and precision machining as the original equipment. Whether you need a single seal, a complete piston assembly, or a full repair kit, we have the parts you need to minimize downtime and maintain operational safety.
Complete Parts List
| Item No. | Description | OTECO Part No. | Weight |
|---|---|---|---|
| 1 | BODY with 2″ RRV LPT OUTLET, STANDARD | 142100 | 12 lbs (5.4 kg) |
| BODY with 2.06″-5,000# RJ FLANGED OUTLET, STANDARD | 143055 | 41 lbs (18.6 kg) | |
| BODY with 2″ FIGURE 1502 FEMALE OUTLET, SOUR GAS/STANDARD | 142045 | 35 lbs (15.9 kg) | |
| BODY with 2″ FIGURE 1502 MALE OUTLET, SOUR GAS/STANDARD | 142046 | 35 lbs (15.9 kg) | |
| 2 | SUB with 2.06″-5,000# RJ FLANGED INLET, STANDARD | 142035 | 23 lbs (10.4 kg) |
| SUB with 2″ LPT INLET, STANDARD | 142190 | 4 lbs (1.8 kg) | |
| SUB with 2″ FIGURE 1502 FEMALE INLET, SOUR GAS/STANDARD | 142036 | 9 lbs (4.1 kg) | |
| SUB with 2″ FIGURE 1502 MALE INLET, SOUR GAS/STANDARD | 142043 | 8 lbs (3.6 kg) | |
| 3 | PISTON with BEARING ASSEMBLY, STANDARD | 142110 | 1 lb (0.45 kg) |
| PISTON with BEARING ASSEMBLY, SOUR GAS | 142028 | 1 lb (0.45 kg) | |
| 4 | CUSHION RING, (NBR) NITRILE, STANDARD | 142130 | 0.5 lb (0.23 kg) |
| CUSHION RING, (ECO) HYDRIN, SOUR GAS | 142132 | 0.5 lb (0.23 kg) | |
| 5 | OUTER RETAINER, STANDARD | 142170 | 1 lb (0.45 kg) |
| OUTER RETAINER, SOUR GAS | 143115 | 1 lb (0.45 kg) | |
| 6 | OUTER SEAL, (NBR) NITRILE, STANDARD | 142180 | 0.5 lb (0.23 kg) |
| OUTER SEAL, (ECO) HYDRIN, SOUR GAS | 142029 | 0.5 lb (0.23 kg) | |
| 7 | COPPER GASKET | 142150 | 0.1 lb (0.05 kg) |
| 8 | STEM BUSHING | 142140 | 0.1 lb (0.05 kg) |
| 9 | 1/2″-13UNC SOCKET HEAD CAP SCREW, CADMIUM, STANDARD | 143310 | 0.1 lb (0.05 kg) |
| 1/2″-13UNC SOCKET HEAD CAP SCREW, CADMIUM, SOUR GAS | 143311 | 0.1 lb (0.05 kg) | |
| 10 | 2″ FMC UNION SEAL RING 602/1002/1502, (NBR) NITRILE, STANDARD | 301921 | 0.1 lb (0.05 kg) |
| 2″ FMC UNION SEAL RING 602/1002/1502, (VIT) VITON, SOUR GAS | 302062 | 0.1 lb (0.05 kg) |
FMC Detachable Nut Assembly
| Item No. | Description | OTECO Part No. | Weight |
|---|---|---|---|
| 11 | 2″ FIGURE 1502 UNION NUT, STANDARD/DETACHABLE, STANDARD, DNV | 302626 | 6 lbs (2.7 kg) |
| 2″ FIGURE 1502 UNION NUT, STANDARD/DETACHABLE, SOUR GAS, CHARPY | 302071 | 6 lbs (2.7 kg) | |
| 12 | 2″ FIGURE 1502 UNION NUT, RETAINER RING SEGMENTS, STANDARD, DNV | 302627 | 0.5 lb (0.23 kg) |
| 2″ FIGURE 1502 UNION NUT, RETAINER RING SEGMENTS, SOUR GAS | 302517 | 0.5 lb (0.23 kg) | |
| 13 | 2″ FIGURE 1502 UNION NUT, RETAINER SNAP RING, ALL ASSEMBLIES | 301924 | 0.1 lb (0.05 kg) |
FMC Union Weldolet Assembly (Not Included with RRV Assembly)
| Item No. | Description | OTECO Part No. | Weight |
|---|---|---|---|
| 14 | 2″ FIGURE 1502 with 2″ BUTT WELD SCH.XXS, STANDARD, DNV | 302037 | 12 lbs (5.4 kg) |
Repair Kits
| Kit Type | Service | OTECO Part No. | Weight | Contents |
|---|---|---|---|---|
| Minor Repair Kit | Standard | 143223 | 1 lb (0.45 kg) | Cushion Ring (Item 4), Outer Seal (Item 6), Copper Gasket (Item 7) |
| Minor Repair Kit | Sour Gas | 143225 | 1 lb (0.45 kg) | Cushion Ring (Item 4), Outer Seal (Item 6), Copper Gasket (Item 7) |
| Major Repair Kit | Standard | 143218 | 3 lbs (1.4 kg) | Piston (Item 3), Cushion Ring (Item 4), Outer Retainer (Item 5), Outer Seal (Item 6), Copper Gasket (Item 7), Stem Bushing (Item 8) |
| Major Repair Kit | Sour Gas | 143226 | 3 lbs (1.4 kg) | Piston (Item 3), Cushion Ring (Item 4), Outer Retainer (Item 5), Outer Seal (Item 6), Copper Gasket (Item 7), Stem Bushing (Item 8) |
Key Features of Our Replacement Parts
- Genuine OTECO Compatibility: All parts manufactured to exact OTECO specifications for perfect fit and function
- Dual Service Options: Separate part numbers for Standard and Sour Gas (H₂S) service – ensures correct material selection
- DNV Certified Components: Select items carry DNV certification for offshore applications
- Complete Repair Solutions: Minor and Major repair kits provide convenient, cost-effective maintenance options
- Multiple End Connection Options: LPT, Flanged (RJ), and Weco 1502 (Male/Female) configurations available
- High-Quality Seal Materials: Nitrile (NBR) for standard service, Hydrin (ECO) and Viton for sour gas service
- Cadmium Plated Fasteners: Corrosion-resistant socket head cap screws for harsh environments
Exploded View Diagram
Applications
- Relief valve maintenance and repair
- Preventive maintenance programs
- Field service operations
- Offshore platform spare parts inventory
- Well servicing company parts stocking
- Emergency repair situations
Why Choose Our OTECO Replacement Parts?
Using genuine-specification replacement parts is critical for maintaining the safety and reliability of your pressure protection equipment. Our parts are sourced from qualified manufacturers who meet or exceed OTECO’s original specifications, ensuring that your relief valves continue to provide accurate, reliable overpressure protection.
With comprehensive inventory covering both Standard and Sour Gas service types, plus convenient repair kits for common maintenance tasks, we help you minimize downtime and maintain operational safety.
Contact us today for a quotation on specific parts or repair kits. Our technical team can help you identify the correct components for your valve model and service conditions.
Additional information
| Service Type | Standard Service, Sour Gas (H₂S) Service |
|---|---|
| End Connections | LPT Threaded, RJ Flanged, Weco 1502 Female, Weco 1502 Male |
| Seal Materials | Nitrile (NBR), Hydrin (ECO), Viton (VIT) |
| Repair Kits | Minor Repair Kit, Major Repair Kit |
| Certification | Standard, DNV Certified, Charpy Tested |
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