Trunnion Mounted Ball Valve CL150 12’’
A105 Body metal to metal seat
|ASME B16.34 CL150
|Trunnion Mounted Ball Valve Q347H
|Flanged Raised Face (RF）
1) Parts Material
|ASTM A193 B7
|ASTM A182 F316
|ASTM A194 2H
|Fire Seal / Gasket
2) Design Conditions
|-29~ 220 °C
3) Standards & Specifications
|End to End Dimensions
|Inspection & test standard
4) Test Criteria
|Shell Test Pressure
|LP Gas Leak Test
|Seal Test Pressure
5) Design Criteria
|Valve Type & Style
|Metal to metal
|Metal natural fireproof
|Anti Static Device
7) Approvals / Certification (Manufactures)
8) Valve Details
Three piece construction;
Thick forged steel body and bonnet.
|2. Bolted bonnet connection
We used A193 B7/A194 2H to connect the body and bonnet. Our bolts are all whole thread, which is with firm tensile strength. not like some defective bolts with non-thread in the middle as used by some small factories.
|3. DPE/DIB-2 design
Primary sealing: Upstream. When the pressure differential is lower or there is no pressure differential, the floating seat will move axially along the valve under the spring action and push the seat towards the ball to keep tight sealing. When the pipeline pressure P increases, the force exerted on the area A2 of valve seat is higher than the force exerted on the area A1, A2-A1=B1. Therefore, the force on B1 will push the seat towards the ball and realize tight sealing of the upstream part.
Secondary sealing: Downstream. When the pressure differential is lower or there is no pressure differential, the floating seat will move axially along the valve under the spring action and push the seat towards the ball to keep tight sealing. When the valve cavity pressure P increases , the force exerted on the area A4 of valve seat is higher than the force exerted on the area A3, A4- A3=B1. Therefore, the force on B1 will push the seat towards the ball and realize tight sealing of the upstream part.
|4. Emergency Sealing Device
This ball valves 12″(DN300) is designed with sealant injection device on stem and seat. When the seat ring or stem O ring is damaged due to accident, the corresponding sealant can be injected by the sealant injection device to avoid medium leakage on seat ring and stem. If necessary, the auxiliary sealing system can be used for washing and lubricating the seat to maintain its cleanliness.
|5. Metal Seat Sealing as Naturally Fireproof
This ball valve is metal to metal designed. Both seat and ball is metal surfaced with Nickel specially for wearing. That is seat material is SS316+Ni55， and ball material is SS316+Ni60. Its design is for high temperature and naturally fire-proof， not like plastic seat that may be metal or damaged easily while fire happens. More，we also often use other types of metal powder like stellite（STL） and Tungsten Carbide（TCC）as better choice for customers.
|6. Low Operating Torque
This trunnion pipeline ball valve adopts the trunnion ball structure, so as to achieve lower torque under operating pressure.
Trunnion mounted ball valve is a new generation of high performance ball valve. It is labor-saving operation：ball is supported by upper and lower stems to reduce friction and eliminate the formation of the ball and the sealing seat driven by the inlet pressure to prevent excessive torque due to huge sealing load.
9) Applicable Notes
1) All materials (metallic & non-metallic) shall be suitable for the full pressure rating over the design.
2) Coating is in accordance with API standard blast and primer for shipment & storage protection.
3) Asbestos is not acceptable for any valve parts.
4) Our ball valve is marked in accordance with MSS SP-25 including requirements of ASME B16.34, in addition a
stainless steel tag showing the valves tag number is attached to the valve with multi strand stainless steel wire.
5) All of our pressure containing parts (including ball, stem & seat holders) is supplied with material certification to
EN 10204-3.1 (including certified copies of original mill certificates), all other parts including bolting and seal
materials to EN10204-2.2.
6) Our customer is free to undertake inspection and witness testing, this is in addition to any witness
points required by the customer.
7) Our valves in excess of 50Kg to include lifting lugs (flanges and/or top covers shall not be used) and valves in
excess of 100Kg shall be supplied with support feet / brackets.
8) After completion of testing, our valves shall be properly dried to prevent any test liquid remaining in the valve,
preserved and fitted with protective end caps suitable for storage in a covered and enclosed desert environment.
9) Our valves shall be carefully braced and packed in wooden boxes suitable for sea freight in accordance with GB and
Zhejiang Chuanglian Valve Co., Ltd., is a manufacturer of valves.
We have all kinds of valves, as general valves of gate valve, globe valve, check valve; and on-off valves of ball valve, butterfly valve, strainer, etc.
More, our company has certificates as ISO9001, CE, PED, API.
We take quality as the life, cost as the base, service as line, providing the best products and pipeline solution to new or old customers, adhering to the development concept of “Bright Future, Scientific Development”, to keep pioneering and innovation.
Contact us freely if you have more question!
Our email： email@example.com
Contact mobile on line 24hours：0086-153 5622 6891