3 Piece Trunnion Ball Valve
3 piece trunnion ball valves are manufactured in accordance with API 6D standards. The complete range of forged valves is designed in three bolted pieces with a solid double trunnion configuration and two independent seats for an easy bidirectional sealing, to ensure the greatest level of tightness and reliability under high pressure and temperature conditions in all critical isolation services.
Materials selection is fully customizable to meet the customer's project specifications and several unique features are available to offer an enhanced technical solution suitable to aggressive offshore environments and corrosive and abrasive fluids.
VALVE DESIGN
Based on API 6D and Customer requirements
TEMPERATURE RANGE
-150 to 662°F (-101 to 350°C)
SIZE
NPS 1-56 (DN 25-1400)
PRESSURE RATING
ASME 150 - ASME 2500
FACE-TO-FACE
As per API 6D standard
END CONNECTIONS
RF, RTJ as per B16.5 &B16.47
BW, Butt Welded as per B16.25
SW, Socket Welded as per B16.11
Hub connection
MATERIALS:
Carbon Steel
Stainless Steel
Low-Temperature Carbon Steel
Duplex, Super Duplex, Inconel
BODY DESIGN
Forged and casting bolted three-piece
SEAT DESIGN
Soft or metal seated with Hard facing on ball and seats
Double piston seats
Combination seats
FEATURES
Double block and bleed design (DBB)
Secondary seals in pure Graphite
Anti-Static Device
Anti Blow out stem
Emergency sealant injection on seats and stem available
Low fugitive emission stem packing available
O-ring /Lip seals and Graphite configuration
CRA overlay on all dynamic sealing areas or on all wetted parts available
Extended bonnet for low & high temperature available
OPERATOR
Manual: wrench or Gear with padlocking
Actuated: Pneumatic/ Hydraulic/Electric
TESTING & CERTIFICATIONS
Compliance with API 6D & ISO 5208 & API 598 inspection and testing
Fire safe and fire tested as per API 607
SIL 3 Certification as per IEC61508
Fugitive Emission as per ISO15848
PED 2014/68/UE
QUALITY CONTROL
We have QC person stay on the production lines do to the inspection.All products must have been inspected before delivery.we do inline inspection and final inspection.
1.All raw material checked once it arrive our factory.
2.All pieces and logo and all details checked during production.
3.All packing details checked during production.
4.All production quality and packing checked on final inspection after finished.
Our Service
1.More Professional service in Packaging and printing products exporting field
2.Better manufacture ability
3.Various payment term to choose:T/T,,L/C
4.High quality/Safe material/Competitive price
5.Small order available
6.Quickly response
7.More safe and fast transport
8.OEM design for all customers
Packaging & Shipping
Packaging: 1. We make plywood cases according to the quantity of products
3. No other packing accessories in regular
4. Customer required packing is available
Shipping: by sea, by air,by railway and by express
Sample lead time: 45~70 days
Delivery time: about 45~70 days after order details and production confirmed.
Our Services
1. Good knowledge on different market can meet special requirements.
2. Real manufacturer with our own factory located in Oubei-Zhejiang, a famous valve manufacturing base in China
3. Strong professional technical team ensure to produce the top quality products.
4. Special cost control system ensure to provide the most favorable price.
5. Rich experience on outdoor equipment.
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