Product Introduction

This curated selection covers all high-wear, mission-critical components for Parveen MR7634/MR7633/MR7632 10K gate valves, including bearing caps, O-rings, bearing races, stem adapters, packing glands, bonnet gaskets, stems, gates, seat rings, seal rings and body bushings. Every part is manufactured to meet API 6A, API 5B and NACE MR0175 industry standards, with full pressure testing to withstand harsh drilling mud, abrasive fluids and high-pressure cycling. Each component is labeled as a critical spare, ensuring rapid identification for emergency repairs and routine maintenance, with full traceability to original Parveen part numbers for simplified inventory management.
Functional Performance Specifications
These Parveen gate valve spares deliver reliable high-pressure performance: all sealing components maintain 10,000 PSI (69 MPa) working pressure with zero leakage; hardened gate and seat rings provide bubble-tight shutoff and resist abrasion; J-type stem packing prevents fluid bypass and stem seepage; precision bearing races ensure smooth manual gate operation; and corrosion-resistant O-rings/seal rings maintain integrity in harsh well environments. The parts support full open/close cycling, consistent flow control and long-term durability, even under frequent operation and pressure surges.
Structural & Material Features
- OEM-Certified Fitment: Precision-machined to match Parveen valve dimensions, with ±0.002 inch tolerance for perfect alignment and zero fitment gaps
- High-Performance Materials: Forged alloy steel for gates/stems, wear-resistant compounds for bearing races, and oil-resistant elastomers for O-rings/packing to withstand 10K PSI pressure
- Wear & Corrosion Resistance: TC (tungsten carbide) coated gates/seat rings enhance abrasion resistance, extending service life by up to 40% compared to standard components
- Modular Repair Design: Pre-sized seal kits and replacement parts reduce field repair time by up to 50%, minimizing operational downtime
- Compliance with Industry Standards: Meets API 6A for wellhead valves and NACE standards for sour gas compatibility, ensuring safety and regulatory compliance
Applicable Operating Conditions
These spare parts are built for harsh onshore and offshore oilfield environments, optimized for wellhead manifolds, choke and kill lines, mud systems and high-pressure fluid transfer pipelines. They perform reliably in ambient temperatures ranging from -20°F to 160°F, high-abrasion drilling mud conditions, H₂S-containing fluids and continuous 10K PSI pressure cycling. Components are rated for both manual gate valve operation and long-term static pressure containment.
Maintenance & Service Recommendations
- Inspect stem packing, O-rings and seat rings every 3 months for wear, cracking or compression to prevent fluid leakage
- Lubricate bearing races and stem components quarterly to ensure smooth gate operation and prevent seizing
- Replace bonnet gaskets and seal rings during every valve disassembly to maintain pressure integrity
- Conduct pressure testing of valves post-repair to verify 10K PSI rating compliance and leak-free performance
- Stock critical wear parts (gates, seats, packing, O-rings) preventatively to eliminate unplanned downtime during emergency repairs
- We supply the following spare parts:
| MR7634 | 51312914 | Bearing CAP | Each | 2.1/16 | Critical Spares | |
| MR7634 | 50237 | O ring | Each | 2.1/16 | Critical Spares | |
| MR7634 | TRD2840 2″ /10K | Bearing Race- Torring Ton for 2.1/16″ gate Valve-TRD2840 | Each | 2.1/16″ | Critical Spares | |
| MR7634 | 50221 | O-RING ; FOR 2 /16″ 10K PARVEEN GATE VALVE | Each | Critical Spares | ||
| MR7634 | 51312913-6 2″ /10K | Stem Adapter 2.1/16 | Each | 2.1/16 | Critical Spares | |
| MR7634 | 51312911-6 2″ /10K | Packing Gland (FOR 2″ 10K) | Each | 2.1/16″ | Critical Spares | |
| MR7634 | 51312910V | STEM PACKING (J PACKING) for 2 1/6″ parveen gate valve | Each | 2.1/16 | Critical Spares | |
| MR7634 | 51312908-9 | Bonnet Gasket 2 1/16 | Each | 2.1/16″ | Critical Spares | |
| MR7634 | 51312907-6N | Stem 2 1/16 | Each | 2.1/16 | Critical Spares | |
| MR7634 | 51312906-6TC | Gate Manual 2.1/16 | Each | Critical Spares | ||
| MR7634 | 51312903-6TC | Seat Ring 2.1/16″ | Each | 2.1/16 | Critical Spares | |
| MR7634 | 51312902-01-T | Seal Ring for Body Bushing 2 1/16″ | Each | 2.1/16 | Critical Spares | |
| MR7634 | 51312004-9 | Guide 2.1/16″ | Each | 2.1/16 | Critical Spares | |
| MR7634 | 51312902-7 | Body Bushing | 2.1/16 | Critical Spares | ||
| MR7633 | 51312914-6 | Beearing cap 3 1/16 10 K | Each | 3.1/16″ | Critical Spares | |
| MR7633 | 51300109 3″ /10 | Grease fitting 1/8″ LP/NPT (FOR 3″ 10K) | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51312912-7 3″ /10K | 31/16″ Stem Pin | Each | 3.1/16″ | Critical Spares | |
| MR7633 | 51300102 3″ /10 | Grease Fitting for Bonnet (FOR 3″ 10K) | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51316208–9 | 3 1/16″ Gasket Ring | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51316208–9 | 3 1/16″ Gasket Ring | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51316207-6N | Stem 3.1/16 | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51316206-6TC | Gate3.1/16″ | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51313005-6 | RETAINER PLATE (FOR 3 1/16″ 10K GATE VALVE) | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51316203 6TC | 3 1/16 Seat Ring | Each | 3.1/16″ | Critical Spares | |
| MR7633 | 51316203-01-T | Seal Ring for Seat Ring 3.1/16″ ; P.NO : 51316203-01-T | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51316202-01-T | Seal ring for Body Bushing 3.1/16″ ; P.NO : 51316202-01-T | Each | 3.1/16 | Critical Spares | |
| MR7633 | 51316204-9 | Gate Guide 3.1/16″ ; P.NO : 51316204-9 | Each | 3.1/16″ | Critical Spares | |
| MR7633 | 51316202-7 3″ /10 | Body Bushing 3.1/16″ (FOR 3″ 10K GATE VALVE) | Each | 3.1/16 | Critical Spares | |
| MR7632 | 51311414-6 | BEARING CAP | Each | 41/16 | Critical Spares | |
| MR7632 | 51300109 | GREASE FITTING 51300109 | Each | 4 1/16 | Critical Spares | |
| MR7632 | 51311413-6 | Stem Adapter 4.1/16″ | Each | 4.1/16 | Critical Spares | |
| MR7632 | 51311411-6 | Packing Gland 4.1/16 | Each | 4.1/16 | Critical Spares | |
| MR7632 | 51311408-09 | GASKET RING -4.1/16″-10K- P/N :51311408-09 | Each | 4.1/16 | Critical Spares | |
| MR7632 | C38228-1 | Stem 41/16″ | Each | 4.1/16″ | Critical Spares | |
| MR7632 | 51311406-6TC | 4-1/16″ Gate for Gate Valve | Each | 4.1/16 | Critical Spares | |
| MR7632 | 51311405-6 4″ /10K | 4 1/16 Retainer Plate (FOR 4″ 10K) | Each | 4.1/16″ | Critical Spares | |
| MR7632 | 51311403-6 TC | 4 1/16″ Seat ring | Each | 4.1/16″ | Critical Spares | |
| MR7632 | 51311403-1T | SEAL RING (SEAT RING) | 4.1/16 | Critical Spares | ||
| MR7632 | 51311402-1-T | Seal ring for Body Bushing 4.1/16 | Each | 4.1/16 | Critical Spares | |
| MR7632 | 51311404-9 4″ /10 | Gate Guide for 4″ Gate Valve (FOR 4″ 10K) | Each | 4.1/16 | Critical Spares | |
| MR7632 | 51311402-7 4″ /10 | Body Bushing 4.1/16 (FOR 4″ 10K) | Each | 4.1/16 | Critical Spares |
Field Failure Repair Case Studies
Case 1: MR7634 2-1/16” Valve Stem Leakage
A Parveen MR7634 gate valve experienced severe stem seepage due to worn J-type stem packing (51312910V). Installing an OEM replacement packing eliminated the leak, restored 10K PSI pressure containment and resumed normal valve operation without system shutdown delays.
Case 2: MR7633 3-1/16” Valve Gate Seizure
The gate in a MR7633 valve seized due to a damaged bearing race (TRD2840 2”/10K equivalent for 3-1/16”). Replacing the worn bearing race and lubricating the assembly restored smooth gate movement and full open/close functionality.
Case 3: MR7632 4-1/16” Valve Seat Leakage
A MR7632 gate valve failed to shut off properly due to a worn seat ring (51311403-6TC). Swapping the damaged seat ring with an OEM TC-coated replacement restored bubble-tight shutoff and full pressure rating compliance.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with all three Parveen MR7634/MR7633/MR7632 valves? | Yes, each part is sized specifically for its matching model: MR7634 (2-1/16”), MR7633 (3-1/16”) and MR7632 (4-1/16”) 10K gate valves. |
| What pressure rating do these spare parts support? | All components are certified for 10,000 PSI (10K) working pressure, fully compliant with API 6A standards for high-pressure wellhead valves. |
| Do these parts include tungsten carbide (TC) coated components? | Yes, gates and seat rings feature TC coating for enhanced abrasion resistance, ideal for harsh drilling mud environments. |
Procurement Guidance & Closing Value Statement
This Parveen MR7634/MR7633/MR7632 gate valve spare parts list serves as both a formal procurement benchmark and a technical troubleshooting reference, designed to minimize costly operational downtime, reduce long-term maintenance expenses, and uphold the pressure integrity and safety of your fluid control systems. Each part is a verified OEM-grade critical spare that eliminates the risks of substandard aftermarket components, ensures compliance with API oilfield standards, and delivers consistent performance under extreme high-pressure conditions.
Whether you need to replace worn stem packing, faulty gates, damaged seats, degraded O-rings or bearing races to restore your Parveen gate valves, or stock critical spares for routine maintenance and emergency repairs, this parts catalog delivers the durability, precision and pressure rating your operation demands. Secure your supply of authentic Parveen 10K gate valve critical spares today to protect your equipment investment, maintain uninterrupted drilling and production workflows, and keep your operations running safely and efficiently.