1. Designed to API 6D specification.
2. Valves are applicable for oil and gas transportation pipeline, oil field, airport, refinery and chemical industry.
3. Full thru-conduit port is suitable for pigging and wiping. If no request for pigging and wiping, structure without diversion is also applicable.
4. Seats and gate surface can be self cleaned.
5. Floating Seat: The seat ring is installed with springs to insure constant contact with the gate insuring a perfect seal.
6. Bi-directional Seal: The valve can provide reliable seal in either direction of downstream and upstream.
7. Double block and bleed (DBB) Valve with two seating surfaces which in the closed position, blocks flow from both valve ends when the cavity between the seating surfaces is vented through a bleed (drain plug) connection provided on the body cavity.
8. Self relieving seat design for protection against over pressure in the body cavity.
9. Body drain relief the trapped fluid in valve cavity.
10. Stem Seals: The stem is sealed with primary and secondary ring energized lip seal made from abrasion resistant material in a non rolling configuration with provisions for emergency grease injection between them. When the valve is in the closed position and the body pressure is vented to atmosphere, the secondary lip seal can be replaced.
11. Special stem packing design protects against dust and easy for tighten packing.
12. Stem back seating design to make stem packing is repairable under full line pressure.
13. Emergency sealant injection for both seats and stem packing.
14. Graphite for fire safe sealing for body, bonnet connection.
15. Equipped bearings when equipped handwheel as operating manner. More convenient and lower thrust for opening and closing.
16. A visible gate-position indicator rod and a stem protector are provided as a standard feature on handwheel, gearbox and motor operated valves. It's easy to know the gate position at any time.
17. Stellite alloy or Tungsten Carbide can be deposited on sealing surface of seat tings and slab gate to be applicable for special working applications.
18. Perfect internal and external coatings to meet various application requirements. Special design to meet higher or lower temperature service.
19. Actuators shall be equipped upon request.
We are a specialist in designing and manufacturing Thru Conduit Slab Gate Valves, Thru Conduit Expanding Gate Valves and Ball Valves in China. The name of our company is Chengdu Holy Valve & Complete Equipments Co., Ltd. (hereinafter referred to as "Holy Valve"). Holy Valve is a state-owned enterprise; the company can design and manufacture Gate Valves and Ball Valves with sizes 2"-36" in class150, class300, class600 & sizes 2"-20" in class900, class1500 & sizes 2"-10" in class2500, the valves with larger size should be manufactured upon request. Every technics and each process are absolutely under the control of Quality Administration System of ISO9001, API Q1 and TS.
The valves designed and manufactured by Holy Valve have been widely served for the oil supplying & storage system in domestic airports, the oil and natural gas transportation pipelines and stations, and other systems. With the high quality products and the best service before and after market, we are always praised by our clients.
Our Business Intention __ Quality Builds Up Brand, Innovation For Development, Management Creates Effectiveness, Seeks For First-class Qualities
Our Goal __ Contributing The Inexhaustible Power To The Customers
Our Quality Intention __ No Defect, Excellent Quality
Our Consciousness Idea __ Crisis, High-quality Products, and Beyond
Our Talents Idea __ Quote From The Outside Of Our Company And Train In Our Company, Compete Fairly, Examine On Performance & Benefit, Let All People Show His/Her Ability
Our Moral Outlook __ Loyalty, Faithfulness, Squareness On Work, Diligence
Our Working Style __ United and Civilized, Rigorous and Orderly, Pragmatic and Innovative, Developed and Aggressive
We sincerely thank our customers and friends for your persistent supply and trust. Face to the future, we purpose to improve the product quality and strengthen the cooperation with the customers with more zealous service and agiler system to make the bigger contribution to the construction of oil and gas industries at home and abroad.
