Ingersoll-Rand Parts List / 65178X-XXX-B 65178X-XXX-B Common Parts, Downstream Valve Kits

PARTS LIST / 65178X-XXX-B

65178X-XXX-B COMMON PARTS

Item	Description (size)	(Qty)	Part No.	[Mtl]
1	Housing - 651780-XXX-B (downstream)	(1)	93534-1	[A]
	651781-XXX-B (back pressure)	(1)	93534-2	[A]
2	Bolt (7/16” - 20 x 5-1/2”)	(4)	93487-1	[C]
3	Washer (7/16” i.d.)	(4)	Y79-716	[C]
4	Washer (1.162” o.d. x 0 .125” thick)	(1)	93485-1	[C]
5	Thrust Bearing (1.173” o.d.)	(1)	93484-1	[C]
6	Adjusting Screw (5/8” - 24, left hand)	(1)	93486-1	[C]
7	Plate	(1)	93818	[SS]
8	Adjusting Nut	(1)	93481-1	[C]
9	Spring - 65178X-XXA-B (green, 100 - 1250 in. lbs)	(1)	93477-1	[C]
	65178X-XXB-B (red, 1000 - 3000 in. lbs)	(1)	93478-1	[C]
	65178X-XXC-B (yellow, 2000 - 5000 in. lbs)	(1)	93026	[C]
10	Screw (#10 - 32 x 7/8”)	(1)	Y191-107	[C]
11	Lockwasher (0.196” i.d.)	(1)	Y14-10	[C]
12	Small Plate	(1)	93820	[C]
13	Piston	(1)	93821	[C]

Item	Description (size)					(Qty)	Part No.	[Mtl]
14	Screw (7/16” - 20 x 7/8”)					(2)	Y157-778	[C]
15	Plate					(1)	93532-1	[C]
16	Diaphragm (0.048” thick, cream)					(1)	93498-1	[H]
17	Diaphragm (0.020” thick, white)					(1)	93497-1	[T]
18	“O” Ring (3/32” x 1-3/8” o.d.)					(1)	Y328-123	[T]
19	“O” Ring (1/16” x 9/16” o.d.)					(1)	Y328-13	[T]
20	3/8” Allen Wrench (not shown)					(1)	Y106-109	[C]
21	Flush-Out Plug (not shown) used on models					(1)	93819	[C]
	651780-XXX-B only
22	Spring Stop					(1)	96348-5	[SS]
	Indicates parts included in the dia-						61962-1
	phragm service kit
	Except models 651780-XXR-B
			MATERIAL CODE
	[A]	=	Aluminum	[SS] =	Stainless Steel
	[C]	=	Carbon Steel	[T] =	PTFE
	[H]	-	Hytrel®

651780-XXX-B DOWNSTREAM REGULATORS

						Valve Kit			Base
		Port Size			Valve	(41, 42, 43, 44)	Flow	“O” Ring	Plug Ass’y		Pipe Plug
Flow / Size	-XXX	N.P.T.F.	Ball Size	Rebuild Kit	Stem (40)	(see below)	Tube (45)	(46)	(47)	Base (48)	(52) (2 req’d)
Standard	-A1X	3/8	0.1875”	637219-0A1-B	92985	62169	93489-1	93492-1	62168	93540-1	- - - - -
	-A3X	3/8	0.1875”	637219-0A1-B	92985	62169	93489-1	93492-1	62168	93541-1	- - - - -
Hi-Flow	-B1X	3/8	0.250”	637219-0B1-B	92985	62237	93489-1	93492-1	62168	93540-1	- - - - -
	-B3X	3/8	0.250”	637219-0B1-B	92985	62237	93489-1	93492-1	62168	93541-1	- - - - -
Mastic	-C1X	3/4	0.500”	637219-0C1-B	93778	61963-1	93490-1	93491-1	61956-1	93536-1	Y17-51-N
	-C3X	3/4	0.500”	637219-0C1-B	93778	61963-1	93490-1	93491-1	61957-1	93537-1	Y17-51-S

651781-XXX-B BACK PRESSURE REGULATORS

						Valve Kit			Base
		Port Size			Valve	(41, 42)	Flow	“O” Ring	Plug Ass’y
Flow / Size	-XXX	N.P.T.F.	Ball Size	Rebuild Kit	Stem (40)	(see below)	Tube (45)	(46)	(47)	Base (48)	Pipe Plug (52)
Hi-Flow	-B1X	3/8	0.250”	637219-1B1-B	93565-1	61985-1	93489-1	93492-1	62168	93540-1	- - - - -
	-B3X	3/8	0.250”	637219-1B1-B	93565-1	61985-1	93489-1	93492-1	62168	93541-1	- - - - -
Mastic	-C1X	3/4	0.500”	637219-1C1-B	93518-1	61967-1	93490-1	93491-1	61956-1	93536-1	Y17-51-N
	-C3X	3/4	0.500”	637219-1C1-B	93518-1	61967-1	93490-1	93491-1	61957-1	93537-1	Y17-51-S

DOWNSTREAM VALVE KITS

Valve	(41)	(42)	(43)	(44)
Kit	“O” Ring	Seat	Ball	Spring

61963-1 Y328-19 93522-1 93510-1 93480-1

62169 Y328-14 93885 93508-1 93881

62237 Y328-14 93558-1 93561-1 93881

BACK PRESSURE

VALVE KITS

Valve	(41)	(42)
Kit	“O” Ring	Seat

61967-1 Y328-19 93522-1

61985-1 Y328-14 93558-1

NOTE: 637219-XXX-B rebuild kits include both 61962-1 diaphragm service kit and valve kit shown in the chart. "Smart parts", keep these items on hand in addition to the service kits for fast repair and reduction of down time. Includes item 46.

See note on page 7.

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