Danfoss (Weatherhead)

Steel Pipe Hex Head Plug

Typical Application: Grease, instrumentation and most hydraulic systems.
Pressure: Refer to the pressure charts above. The maximum working pressure of an adapter is the lower working pressure of the end size. Ex: C3069x8x6, 8 = 4000 psi and 6 = 5000 psi. Maximum working pressure is 4000 psi.
Vibration: Fair resistance.
Temperature Range: –65°F to +400°F.
Material: Carbon Steel – AISI/SAE 12L14, Stainless Steel – type 316 Plating – Zinc, yellow dichromate finish ASTM B633 Type II.
Used With: Brass, bronze and iron pipe.
Advantages:
Dryseal pipe threads (NPTF) (SAE J476), zinc
plate, compact size. Broad range of sizes and styles.

Part Number
MALE PIPE THREAD
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HEX C
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L
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D OPT. DIA.
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C3159X2
1/8
7/16
.56
.156
C3159X4
1/4
9/16
.68
.250
C3159X6
3/8
11/16
.78
.375
C3159X8
1/2
7/8
.98
.500
C3159X12
3/4
1-1/8
1.06
.687
C3159X16
1
1-3/8
1.25
.875
C3159X20
1-1/4
1-3/4
1.56
—
C3159X24
1-1/2
2
1.57
—
C3159X32
2
2-1/2
1.75
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Stainless Steel No. 3171X - Some sizes available in stainless steel

Assembly Instructions 1. Tighten approximately 2-1/2 turns past hand tight. 2. Welding procedure: Use electric weldrod AWS-E7018. Recommended procedure specifies using lower amperage than usual and puddling of molten metal to permit gasses created by lead in steel to work through molten lead deposit. Label Set: FS-2000 (adhesive).