Nil-Cor 300HD Series Installation Maintenance And Operating Instructions

Installation, Maintenance and Operating Instructions
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3-March-14
Nil-Cor HD Butterfly Valves
3"-12" Series 300HD, 310HD Full Face & Lug
Nil-Cor, LLC 4855 Broadmoor Ave. Kentwood, MI 49512
CAUTION: Refer to the Nil-Cor Corrosion Guide,
Catalog 1000, to verify suitability for chemical
applications. Contact factory for assistance for
chemicals not listed.
Nil-Cor
Performance Butterfly Valves The full-face wafer body
style offers a light-weight, economical installation with
full flange support in FRP piping systems which
eliminates the problem of piping flange breakage at
installation. The Lug style valves have molded-in 316
stainless steel lugs which will not rotate or pull out
during installation under high torque loading. Nil-Cor
300/310 HD-Series Butterfly Valves are available in 3" -
12" standard sizes.
The 310HD Series is ideal for on/off or modulating
control service. Fire-Resistant versions are available.
Item
No.
1
1-A
2
3
4
5
6
7
8
9
10
11
12
13
14
www.nilcor.com
300/310 HD-Series Double-Offset
Description Material
Hand Lever D.I./Epoxy Coated
Gear (Not Shown) Aluminum/Painted
Hex Head Screws (2 18-8 Stainless Steel
Req'd)
Lock Washers 18-8 Stainless Steel
Hex Nut (2 Req'd) 18-8 Stainless Steel
Positioning Plate 18-8 Stainless Steel
Hex Head Screws (2 Hastelloy-C
Req'd)
Gland Hastelloy-C
Packing Virgin PTFE V-Ring
Shaft 17-4PH/GR-VE or Hast-C/GR-VE,
Valve Body Glass or Graphite Reinforced Vinyl
Ester
Disc Graphite Reinforced Vinyl Ester
Shaft Pin Graphite-Reinforced Kynar
Seat Ring Viton or PTFE;
Seat Retainer Graphite Reinforced Vinyl Ester,
10" and 12", no retainer used.
(616) 554-3100
High
Pub. 310