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DONKIN COKE OVEN VALVE

Outside Screw/ Rising stem

AVK UK Gas Sales Andy Hatton

Andy Hatton

National Sales Manager – Gas

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).

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 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

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.

Downloads

Datasheet
Installation, Operation & Maintenance
Guidelines
Price list

Reference nos. and dimensions:

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Ref. no. DN
mm		 Flange
drillling		 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
662-0900-00-03600191 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
662-1200-00-03600191 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
Enquiry
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Components

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.
0 Files In the package