STC Model
Proven performance. Exceptional reliability. Simplified operation.
Delta STC Model Gate Valve is engineered to deliver superior performance, long-term reliability, and ease of operation in the most demanding oilfield applications. Its robust construction and advanced sealing design ensure dependable service under severe pressure and temperature conditions.
Designed for critical applications, the STC Model Gate Valve combines durability, precise sealing, and operational efficiency, providing a reliable solution for high-pressure oil and gas environments.
The STC Model range offers exceptional flexibility to meet diverse operating requirements. Valves are available in sizes from 2-1/16″ to 7-1/16″, with pressure ratings up to 15,000 psi, and are supplied in a variety of trims and body materials to suit specific service conditions.
| Material Class | AA, BB, CC, DD, EE, FF, HH |
| API Temperature Ratings | P (-29°C) to V (+121°C) |
| Pressure Rating (PSI) | 10,000, 15,000 |
| Product Specification Level (PSL) | 1, 2, 3, 3G & 4 |
| Performance Rating (PR) | 1, 2 & 2F |
Related Gate Valve Models
Conventional Wellhead Systems
Proven solutions. Unmatched flexibility. Simplified installation
Our conventional wellhead product line delivers exceptional configurability to meet diverse service conditions; all rated to 15,000 psi through a temperature range of -60°C to 121° C.
Its comprehensive range includes automatic slip-type hanger, which uses casing weight to self-energize seals for enhanced reliability. The system forms a complete wellhead foundation, from the lower housing to subsequent spools and hangers, and is fully compatible with all our tubing equipment. Delta wellhead system features a straight-bore design with a 45° load shoulder. Its versatility is further extended with selectable secondary seals and pack off bushings, giving you control to tailor the solution
| Material Class | RAA, BB, CC, DD, EE, FF, HH |
| Temperature Ratings | K, L, N, P, S, T, U, V, X, Y |
| Pressure Rating (PSI) | 2000, 3000, 5000, 10,000, 15,000 |
| PSL Level | 1, 2, 3, 3G, 4 |
| PR Level | 1, 2, PR2F |
Conventional Wellhead Systems
Proven solutions. Unmatched flexibility. Simplified installation
Our conventional wellhead product line delivers exceptional configurability to meet diverse service conditions; all rated to 15,000 psi through a temperature range of -60°C to 121° C.
Its comprehensive range includes automatic slip-type hanger, which uses casing weight to self-energize seals for enhanced reliability. The system forms a complete wellhead foundation, from the lower housing to subsequent spools and hangers, and is fully compatible with all our tubing equipment. Delta wellhead system features a straight-bore design with a 45° load shoulder. Its versatility is further extended with selectable secondary seals and pack off bushings, giving you control to tailor the solution
| Material Class | RAA, BB, CC, DD, EE, FF, HH |
| Temperature Ratings | K, L, N, P, S, T, U, V, X, Y |
| Pressure Rating (PSI) | 2000, 3000, 5000, 10,000, 15,000 |
| PSL Level | 1, 2, 3, 3G, 4 |
| PR Level | 1, 2, PR2F |