Bulkhead Straight Orifice Holders - Key Gas

GAS ORIFICE HOLDERS

Bulkhead Straight Orifice Holders

Compression ferrule and nut are included with all Orifice Holders having Compression Connection (CC) inlets
Gas orifice can be changed from fixed to adjustable by adding optional point
Locknuts are available in different styles: stamped sheet metal type, zinc plated steel hex or brass hex.
Orifice drill size number replaces suffix -xx; e.g., part number 4081-65 includes orifice hood with #65 drill (.035 diameter)

Bulkhead Straight Orifice Holders

Compression Inlet

Compression Inlet

TUBE INLET CC SIZE	INLET THREAD	MOUNTING THREAD	ORIFICE THREAD	DIM A	DIM B	DIM D	ACCROSS FLATS	BASE PART #	ORIFICE DRILL SIZE	OPTIONAL POINT
3/8	9/16-24 (M)	3/4-16 (M)	3/8-27	1.75	1.23	0.43	0.63	4081	-xx	P
7/16	5/8-24 (M)	3/4-16 (M)	3/8-27	1.83	1.24	0.43	N/A	4087	-xx	P
1/2	11/16-20 (M)	3/4-16 (M)	1/2-27	2.01	1.3	0.56	N/A	4060	-xx	P

Compression Inlet

Compression Inlet

TUBE INLET CC SIZE	INLET THREAD	ORIFICE MOUNTING G THREAD	DIM A	DIM B	DIM D	BASE PART #	ORIFICE DRILL SIZE	OPTIONAL POINT
3/8	9/16-24 (M)	3/8-27 (M)	1.66	1.16	0.43	4067	-xx	P

Compression Inlet

Compression Inlet

TUBE INLET CC SIZE	INLET MOUNTING THREAD	ORIFICE THREAD	DIM A	DIM B	DIM C	DIM D	ACCROSS FLATS	BASE PART #	ORIFICE DRILL SIZE	OPTIONAL POINT
3/8	9/16-24 (M)	3/8-27	1.73	1.04	0.75	0.43	0.63	4118-06	-XX	P
7/16	5/8-24 (M)	1/2-27	2.12	1.04	0.75	0.56	0.63	4118-07	-XX	P

Pipe Threaded Inlet

Pipe Threaded Inlet

NPT INLET	MOUNTING THREAD	ORIFICE THREAD	DIM A	DIM B	DIM D	ACCROSS FLATS	BASE PART #	ORIFICE DRILL SIZE	OPTIONAL POINT
1/4 FNPT	3/4-16 (M)	3/8-27	1.68	1.18	0.43	0.56	4026	-xx	P

Pipe Threaded Inlet

Pipe Threaded Inlet

NPT INLET	STOCK	MOUNTING G THREAD	ORIFICE THREAD	DIM A	DIM B	DIM C	DIM D	BASE PART #	ORIFICE DRILL SIZE
3/8 MNPT	Ø .69 BRASS	3/8 NPSM	3/8-27	2.72	1.81	0.23	0.56	4047	-xx

Pipe Threaded Inlet

Pipe Threaded Inlet

NPT INLET	STOCK	ORIFICE THREAD	DIM A	DIM B	DIM C	DIM D	PART #
3/8 MNPT	Ø .75 CRS	7/16-27	1.52	0.65	0.69	0.63	23-133-06
3/8 MNPT (+2 turns)	Ø .75 CRS	7/16-27	1.52	0.65	0.69	0.63	23-134-06

Pipe Threaded Inlet

Pipe Threaded Inlet

NPT INLET	STOCK	ORIFICE THREAD	DIM A	DIM B	DIM C	DIM D	PART #
3/8 MNPT (+2 turns)	Ø .69 HEX BRASS	7/16-27	1.52	0.65	0.69	0.63	23-135-06

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