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Keystone Figure 637 Slurry valve

Keystone™ F637 is a medium duty slurry control valve, short body style with replaceable body sleeve.

Keystone

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Material	Carbon Steel
Pressure Class	ASME
Valve Size	NPS 6 / DN 150, NPS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 2 / DN 50, NPS 20 / DN 500, NPS 2-1/2 / DN 65, NPS 24 / DN 600, NPS 3 / DN 80, NPS 4 / DN 100, NPS 8 / DN 200

Robust construction.
High wear resistant materials.
Bi-directional slurry control valve.
Swing through disc for minimum leakage.
Hardened tool steel disc end spacers to protect the shaft from erosion.
Extensive size range available.
Multiple viton stem seals.
Full repairability with replaceable internals for significantly extended valve life.
Adjustable PTFE gland packing.
Standardised mounting and drive adaptor connection allowing direct mounting of Keystone actuators and also allows for actuator removal while in-line.
Manufactured under quality system ISO 9001:2008. Certificate No Mel 0400133.
Available with PED approval. Cert No: 0038/PED/MUM/0710020/1.