Ross Controls POPPET SERIES W74 - Manual (Page 3)

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© 2009, ROSS CONTROLS ® . All Rights Reserved.
The sub-base numbers shown in the chart below
specify pressure ports with NPT threads, and
electrical openings with 1/2 NPT threads.
Sub-base for
C
V
= 4.2 valves illustrated.
4
2
Y2
12
A
B
C
Sub-Bases for Series W70 & W74 ANSI Valves
Electrical connection conforming to ANSI standard B93.55M is available.
For more information, refer to ROSS Bulletin 379 (form number A10090).
ANSI SUB-BASES
Type of Sub-Base Outlet Indicator Lights in Base* Avg. Dimensions inches (mm)
Port None One Two C
V
A B C
1/4 500B91 525K91 526K91 0.9 to 1.0 2.8 (72) 1.6 (41) 6.2 (157)
3/8 501B91 527K91 528K91 0.9 to 1.0 2.8 (72) 1.6 (41) 6.2 (157
3/8 474K91 482K91 484K91 2.0 to 2.5 3.6 (91) 1.5 (37) 7.1 (180)
1/2 475K91 483K91 485K91 2.0 to 2.5 3.6 (91) 1.5 (37) 7.1 (180)
3/8 361B91 — — 4.2 3.3 (84) 2.7 (67) 7.2 (183)
Side-Ported
1/2 362B91 — — 4.2 3.3 (84) 2.7 (67) 7.2 (183)
3/4 363B91 — — 4.2 3.3 (84) 2.7 (67) 7.2 (183)
3/4 364B91 — — 10 to 11 5.1 (130) 3.8 (96) 10.5 (266)
1 365B91 — — 10 to 11 5.1 (130) 3.8 (96) 10.5 (266)
11/4 366B91 — — 10 to 11 5.1 (130) 3.8 (96) 10.5 (266)
11/4 367B91 — — 22 6.4 (163) 3.7 (94) 12.4 (314)
11/2 368B91 — — 22 6.4 (163) 3.7 (94) 12.4 (314)
1/4 499B91 529K91 530K91 0.9 to 1.0 2.8 (72) 1.5 (37) 6.2 (157)
Side and
3/8 476K91 477K91 486K91 2.0 to 2.5 3.6 (91) 1.5 (37) 7.1 (180)
Bottom-Ported 3/8 369B91 — — 4.2 3.4 (86) 2.7 (67) 7.2 (183)
1/2 370B91 — — 4.2 3.4 (86) 2.7 (67) 7.2 (183)
3/4 371B91 — — 4.2 3.4 (86) 2.7 (67) 7.2 (183)
3/4 372B91 — — 10 to 11 5.1 (130) 3.9 (99) 10.5 (266)
1 373B91 — — 10 to 11 5.1 (130) 3.9 (99) 10.5 (266)
Bottom-Ported 11/4 374B91 — — 10 to 11 5.1 (130) 3.9 (99) 10.5 (266)
11/4 375B91 — — 22 6.4 (163) 3.8 (98) 12.4 (314)
11/2 376B91 — — 22 6.4 (163) 3.8 (98) 12.4 (314)
*NPT port threads. For BSPP threads, add a “D” prefix to the model number; for JIS threads, add a “J” prefix to the model number.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.