CAST IRON VALVES ---CENTER-LINE BUTTERFLY VALVE
WAFER TYPE CENTER-LINE BUTTERFLY VALVE

Nuts Nuts Gasket Gasket Packing Packing Back Seat Back Seat Hand Wheel Hand Wheel Bolts Bolts Nuts Bolts Bolts Bolts Bolts Bolts Gland Flange Gland Flange Gland Flange Gland Flange Gland Gland Stem Nut Stem Nut Stem Body Body Bonnet Bonnet Wedge Disc Seat Ring Seat Ring Seat Ring Body Body

Gasket Packing Packing Back Seat Back Seat Hand Wheel Hand Wheel Nuts Nuts Nuts Nuts Bolts Bolts Bolts Bolts Bolts Bolts Gland Flange Gland Flange Gland Flange Gland Flange Gland Gland Stem Nut Stem Nut Stem Wedge Disc Seat Ring Seat Ring Bonnet Gasket Bonnet Body Body

Design and Manufacturing Standards:
Basic Design: MSS SP-67, API 609
Flange End Dimension: ANSI B16.1, BS 4504, ISO 2084, DIN2501
Top Flange Dimension: ISO 5211
Inspection & Testing to: API 598
 
Valve Specifications :
1. Size Range: 2" to 64"
2. Pressure: Class 125Lb / PN10 or PN16
3. Temperature Range: +30F to +266F
4. Wafer body features four alignment holes.

Material List:
No.
Part Name
Material
1
Body
Cast Iron ASTM A126 Class B
2
Seat
Buna-N / EPDM
3
Disc
Ductile Iron
4
Shaft
416 Stainless Steel
5
Taper Pin
316 Stainless Steel
6
O-Ring
Buna-N
7
Bushing
Luberized Bronze
 

Valve Features:
1. Small in size, simple in structure, Easy to assemble and disassemble.
2. Flow curve tends to a straight line, excellent regulation performance.
3. Low operating torque, quick open at 90 degree.
4. Completely sealed, no leakage under specified gas pressure testing.
5. Easily field replaceable.
6. suitable for various meadium.
7. Minimal seat wear, extending seat life.
8. Blow-out proof seat design
9. Installation between pipe flanges.


Note: For dimension details, please order Tekval e-Catalogs or call for free CD catalogs

LUG TYPE CENTER-LINE BUTTERFLY VALVE
 

Design and Manufacturing Standards:
Basic Design: MSS SP-67, API 609
Flange End Dimension: ANSI B16.1, BS 4504, ISO 2084, DIN2501
Top Flange Dimension: ISO 5211
Inspection & Testing to: API 598
 
Valve Specifications :
1. Size Range: 2" to 36"
2. Pressure: Class 125Lb / PN10 or PN16
3. Temperature Range: +30F to +266F
4. Lug body


Material List:
No.
Part Name
Material
1
Body
Cast Iron ASTM A126 Class B
2
Seat
Buna-N / EPDM
3
Disc
Ductile Iron
4
Shaft
416 Stainless Steel
5
Taper Pin
316 Stainless Steel
6
O-Ring
Buna-N
7
Bushing
Luberized Bronze

 

 

Valve Features:
1. Small in size, simple in structure, Easy to assemble and disassemble.
2. Flow curve tends to a straight line, excellent regulation performance.
3. Low operating torque, quick open at 90 degree.
4. Completely sealed, no leakage under specified gas pressure testing.
5. Easily field replaceable.
6. suitable for various meadium.
7. Minimal seat wear, extending seat life.
8. Blow-out proof seat design
9. Installation at any part and any angle.


Note: For dimension details, please order Tekval e-Catalogs or call for free CD catalogs


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