Danfoss (Weatherhead)

Steel Pipe Tee

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
FEMALE PIPE THREAD
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D
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N
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ACROSS FLATS
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C3709X2
1/8
.332
.66
9/16
C3709X4
1/4
.437
.88
3/4
C3709X6
3/8
.562
1.02
7/8
C3709X8
1/2
.687
1.23
1-1/16
C3709X12
3/4
.906
1.36
1-5/16
C3709X16
1
1.125
1.62
1-5/8
C3709X20
1-1/4
1.468
1.70
1-7/8
TF3709X2
1/8
.343
.66
5/8
TF3709X4
1/4
.437
.88
3/4
TF3709X6
3/8
.562
1.02
7/8
TF3709X8
1/2
.687
1.23
1-1/8
TF3709X12
3/4
.906
1.36
1-3/8
TF3709X16
1
1.275
1.62
1-5/8
TF3709X20
1-1/4
1.468
1.70
2
TF3709X24
1-1/2
1.710
2.08
2-3/8
TF3709X32
2
2.180
2.39
2-7/8

Stainless Steel No.3721X (Ref. SAE No. 140438)

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).