DONKIN COKE OVEN VALVE

Outside Screw/ Rising stem

Donkin coke oven valve Suitable for temperatures of -10°C to +250°C. Suitable for working pressures of: DN750 (30”) 0.35 bar (5psig), Over DN900 (36”) 0.25 bar (3.5psig).

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Description

Key Features

  • Clear bore for under pressure drilling applications.
  • Adjustable packed gland.
  • Hard faced wedge seats with viton ‘O’ rings.
  • Asbestos free jointing.
  • Cleaning cover and draining points
  • Embodied Carbon Data Available upon request
  • Options:
    • Internal/external screw versions available.
    • Can be fitted with water sealing facility.
    • Sizes up to 1200mm (48”) available upon request.
    • Additional tapping points for cleaning/jetting.

 

Information

The Series 662 is a cast iron, double faced internal or external screw, solid wedge gate valve. Designed specifically for use on coke oven plants, the outside screw version is suitable for duties where it is necessary to isolate the screw threads from the gas flow. To ease the operation of the larger valves, thrust bearings are fitted to the spindle collars or bushes and, in addition on horizontally mounted valves, rollers can be fitted to the valve door. BS 5150, BS EN12266.

 

Variant 662/00-002
Connection: Flanged
Material: Cast Iron
DN: DN750 – DN1200
Closing direction: Clockwise to Close

 

DONKIN COKE OVEN VALVE Component Image 1

DONKIN COKE OVEN VALVE Component Image 2

1. Body Cast iron GJL-250
2. Spindle Steel 11SMn30 (EN1A)
3. Spindle bushing Cast iron GJL-250
4. Door seal Viton
5. Jacking screw Mild steel

 

Test/Approvals

  • Seat: 1.1 x PN (in Bar), Body: 1.5 x PN (in Bar). Closing torque test.
  • Made in Great Britain

Additional information

Reference No.

662-0750-00-03600191, 662-0750-00-06600191, 662-0750-00-07600191, 662-0750-00-08600191, 662-0750-00-17600191, 662-0750-00-19600191, 662-0900-00-03600191, 662-0900-00-06600191, 662-0900-00-08600191, 662-0900-00-10660191, 662-0900-00-14600191, 662-0900-00-19600191, 662-1200-00-03600191, 662-1200-00-06600191, 662-1200-00-07600191, 662-1200-00-08600191, 662-1200-00-10600191, 662-1200-00-19600191

Brand

Donkin

Reference Nos. and Dimensions

Ref. no. DN

mm

Flange

Drilling

H3

mm

HC

mm

HO

mm

L

mm

L11

mm

Turns

to open

W

mm

Theoretical

Weight kg

662-0750-00-03600191 750 PN6 3137 2493 3308 600 406 32 1075 916
662-0750-00-06600191 750 BS10 A 3137 2493 3308 600 406 32 1075 916
662-0750-00-07600191 750 BS10 D 3137 2493 3308 600 406 32 1075 916
662-0750-00-08600191 750 BS10 E 3137 2493 3308 600 406 32 1075 916
662-0750-00-17600191 750 SPECIAL 3137 2493 3308 600 406 32 1075 916
662-0750-00-19600191 750 NONE 3137 2493 3308 600 406 32 1075 916
662-0900-00-03600191 900 PN6 3786 3054 4033 914 470 39 1270 1321
662-0900-00-06600191 900 BS10 A 3786 3054 4033 914 470 39 1270 1321
662-0900-00-08600191 900 BS10 E 3786 3054 4033 914 470 39 1270 1321
662-0900-00-10660191 900 PN2.5 3786 3054 4033 914 470 39 1270 1350
662-0900-00-14600191 900 PN2.5 3786 3054 4033 914 470 39 1270 1321
662-0900-00-19600191 900 NONE 3786 3054 4033 914 470 39 1270 1321
662-1200-00-03600191 1200 PN6 4816 3927 5212 915 559 51 1600 2668
662-1200-00-06600191 1200 BS10 A 4816 3927 5212 915 559 51 1600 2668
662-1200-00-07600191 1200 BS10 D 4816 3927 5212 915 559 51 1600 2668
662-1200-00-08600191 1200 BS10 E 4816 3927 5212 915 559 51 1600 2668
662-1200-00-10600191 1200 PN16 4816 3927 5212 915 559 51 1600 1928
662-1200-00-19600191 1200 NONE 4816 3927 5212 915 559 51 1600 2668

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