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Gate Valve 
 
 
 
   Forged Steel Gate Valve

TTF gate valve has three types of bonnet. One is bolted bonnet, which the body is connected with bonnet by bolts and sealed by spiral gasket with advantages of convenient maintenance; one is welded bonnet, which the body is fully welded with sealing bonnet of no leakage; another is pressure-in bonnet, which the body is screwed into the bonnet and sealed by inner pressure-in ring with better sealing ability for higher pressure.
 
Pressure-in Forged Steel Gate Valve
 

 
 
 
   Design Structure and Features:
A. Design and Manufacturing: As per ANSI B 16.34, API 602, BS 5352
B. Ends Connection:
1) SW Dimensions as per ANSI B16.11; JISB2306
2) Screwed Dimensions as per ANSI B1.20.1 BS21; ISO7/1; JISB0203
C. Valve Inspection and Test: As per API 598
D. Material: According to AISI/ASTM
E. Body Material: A105; F5; F11; F22; 304; 304L; 316; 316L; LF2? 
F. Markings as per MSS-SP-25 
Forged Steel Gate Valve
 

 
 
 
   Structure and Features:
Full Bore or reduced bore

Outside Screwed and Yoke
                            
Bushing Type

Bolted, fully welded and pressure-in bonnet
Forged Steel Gate Valve