| Compatibility & Interchange: |
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| Construction: |
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| Seal Components: |
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| Note: |
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| Additional Information: |
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| Rated Pressure Chart | ||||||||||||||||
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| Body Size | Brass Coupler/Plug | Brass Coupler/Steel Plug | Brass Coupler/303 SS Plug | 303 SS Coupler/Plug | ||||||||||||
| Maximum Working |
Burst |
Maximum Working |
Burst |
Maximum Working |
Burst |
Maximum Working |
Burst |
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| 1/4″ | 200 PSI | 14 Bar | 14,500 PSI | 1,000 Bar | 200 PSI | 14 Bar | 14,500 PSI | 1,000 Bar | 200 PSI | 14 Bar | 14,500 PSI | 1,000 Bar | 200 PSI | 14 Bar | 31,500 PSI | 2,150 Bar |
| 3/8″ | 200 PSI | 14 Bar | 12,000 PSI | 800 Bar | 200 PSI | 14 Bar | 14,500 PSI | 1,000 Bar | 200 PSI | 14 Bar | 14,500 PSI | 1,000 Bar | 200 PSI | 14 Bar | 26,500 PSI | 1,800 Bar |
| 1/2″ | 200 PSI | 14 Bar | 11,500 PSI | 750 Bar | 200 PSI | 14 Bar | 14,500 PSI | 1,000 Bar | 200 PSI | 14 Bar | 14,500 PSI | 1,000 Bar | 200 PSI | 14 Bar | 27,500 PSI | 1,900 Bar |
| 3/4″ | 200 PSI | 14 Bar | 9,280 PSI | 640 Bar | 200 PSI | 14 Bar | 9,280 PSI | 640 Bar | 200 PSI | 14 Bar | 9,280 PSI | 640 Bar | 200 PSI | 14 Bar | 16,000 PSI | 1,100 Bar |
| 1″ | 200 PSI | 14 Bar | 5,800 PSI | 400 Bar | 200 PSI | 14 Bar | 5,800 PSI | 400 Bar | 200 PSI | 14 Bar | 5,800 PSI | 400 Bar | 200 PSI | 14 Bar | 15,000 PSI | 1,000 Bar |
| HS-Series | ISO-B Steam Interchange Plug (Female Threads) | |||||||
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| Part Number |
Coupling Type |
Body Size |
Threads | Material | Length | Max. OD |
Hex |
| HS2F2 | Plug/Male | 1/4″ | 1/4″ – 18 Female NPTF | Steel | 1.55″ (39.4mm) |
0.83″ (21.1mm) |
3/4″ |
| HS2F2-B | Plug/Male | 1/4″ | 1/4″ – 18 Female NPTF | Brass | 1.55″ (39.4mm) |
0.83″ (21.1mm) |
3/4″ |
| HS2F2-S | Plug/Male | 1/4″ | 1/4″ – 18 Female NPTF | 303 Stainless | 1.55″ (39.4mm) |
0.83″ (21.1mm) |
3/4″ |
| HS2BF2 | Plug/Male | 1/4″ | 1/4″ – 19 Female BSPP | Steel | 1.55″ (39.4mm) |
0.83″ (21.1mm) |
3/4″ |
| HS2BF2-B | Plug/Male | 1/4″ | 1/4″ – 19 Female BSPP | Brass | 1.55″ (39.4mm) |
0.83″ (21.1mm) |
3/4″ |
| HS2BF2-S | Plug/Male | 1/4″ | 1/4″ – 19 Female BSPP | 303 Stainless | 1.55″ (39.4mm) |
0.83″ (21.1mm) |
3/4″ |
| HS3F3 | Plug/Male | 3/8″ | 3/8″ – 18 Female NPTF | Steel | 1.70″ (43.2mm) |
0.97″ (24.6mm) |
7/8″ |
| HS3F3-B | Plug/Male | 3/8″ | 3/8″ – 18 Female NPTF | Brass | 1.70″ (43.2mm) |
0.97″ (24.6mm) |
7/8″ |
| HS3F3-S | Plug/Male | 3/8″ | 3/8″ – 18 Female NPTF | 303 Stainless | 1.70″ (43.2mm) |
0.97″ (24.6mm) |
7/8″ |
| HS3BF3 | Plug/Male | 3/8″ | 3/8″ – 19 Female BSPP | Steel | 1.70″ (43.2mm) |
0.97″ (24.6mm) |
7/8″ |
| HS3BF3-B | Plug/Male | 3/8″ | 3/8″ – 19 Female BSPP | Brass | 1.70″ (43.2mm) |
0.97″ (24.6mm) |
7/8″ |
| HS3BF3-S | Plug/Male | 3/8″ | 3/8″ – 19 Female BSPP | 303 Stainless | 1.70″ (43.2mm) |
0.97″ (24.6mm) |
7/8″ |
| HS4F4 | Plug/Male | 1/2″ | 1/2″ – 14 Female NPTF | Steel | 1.94″ (49.3mm) |
1.17″ (29.7mm) |
1-1/16″ |
| HS4F4-B | Plug/Male | 1/2″ | 1/2″ – 14 Female NPTF | Brass | 1.94″ (49.3mm) |
1.17″ (29.7mm) |
1-1/16″ |
| HS4F4-S | Plug/Male | 1/2″ | 1/2″ – 14 Female NPTF | 303 Stainless | 1.94″ (49.3mm) |
1.17″ (29.7mm) |
1-1/16″ |
| HS4BF4 | Plug/Male | 1/2″ | 1/2″ – 14 Female BSPP | Steel | 1.94″ (49.3mm) |
1.17″ (29.7mm) |
1-1/16″ |
| HS4BF4-B | Plug/Male | 1/2″ | 1/2″ – 14 Female BSPP | Brass | 1.94″ (49.3mm) |
1.17″ (29.7mm) |
1-1/16″ |
| HS4BF4-S | Plug/Male | 1/2″ | 1/2″ – 14 Female BSPP | 303 Stainless | 1.94″ (49.3mm) |
1.17″ (29.7mm) |
1-1/16″ |
| HS6F6 | Plug/Male | 3/4″ | 3/4″ – 14 Female NPTF | Steel | 2.41″ (61.2mm) |
1.44″ (36.6mm) |
1-5/16″ |
| HS6F6-B | Plug/Male | 3/4″ | 3/4″ – 14 Female NPTF | Brass | 2.41″ (61.2mm) |
1.44″ (36.6mm) |
1-5/16″ |
| HS6F6-S | Plug/Male | 3/4″ | 3/4″ – 14 Female NPTF | 303 Stainless | 2.41″ (61.2mm) |
1.44″ (36.6mm) |
1-5/16″ |
| HS6BF6 | Plug/Male | 3/4″ | 3/4″ – 14 Female BSPP | Steel | 2.41″ (61.2mm) |
1.44″ (36.6mm) |
1-5/16″ |
| HS6BF6-B | Plug/Male | 3/4″ | 3/4″ – 14 Female BSPP | Brass | 2.41″ (61.2mm) |
1.44″ (36.6mm) |
1-5/16″ |
| HS6BF6-S | Plug/Male | 3/4″ | 3/4″ – 14 Female BSPP | 303 Stainless | 2.41″ (61.2mm) |
1.44″ (36.6mm) |
1-5/16″ |
| HS8F8 | Plug/Male | 1″ | 1″ – 11-1/2 Female NPTF | Steel | 2.87″ (72.9mm) |
1.79″ (45.5mm) |
1-5/8″ |
| HS8F8-B | Plug/Male | 1″ | 1″ – 11-1/2 Female NPTF | Brass | 2.87″ (72.9mm) |
1.79″ (45.5mm) |
1-5/8″ |
| HS8F8-S | Plug/Male | 1″ | 1″ – 11-1/2 Female NPTF | 303 Stainless | 2.87″ (72.9mm) |
1.79″ (45.5mm) |
1-5/8″ |
| HS8BF8 | Plug/Male | 1″ | 1″ – 11 Female BSPP | Steel | 2.87″ (72.9mm) |
1.79″ (45.5mm) |
1-5/8″ |
| HS8BF8-B | Plug/Male | 1″ | 1″ – 11 Female BSPP | Brass | 2.87″ (72.9mm) |
1.79″ (45.5mm) |
1-5/8″ |
| HS8BF8-S | Plug/Male | 1″ | 1″ – 11 Female BSPP | 303 Stainless | 2.87″ (72.9mm) |
1.79″ (45.5mm) |
1-5/8″ |
| HS-Series | ISO-B Steam Interchange Coupler (Female Threads) | |||||||
|---|---|---|---|---|---|---|---|
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| Part Number | Coupling Type | Body Size | Threads | Material | Length | Maximum OD | Hex |
| 2HSF2-B | Socket/Female | 1/4″ | 1/4″ – 18 Female NPTF | Brass | 2.26″ (57.4mm) |
1.42″ (36.1mm) |
3/4″ |
| 2HSF2-S | Socket/Female | 1/4″ | 1/4″ – 18 Female NPTF | 303 Stainless | 2.26″ (57.4mm) |
1.42″ (36.1mm) |
3/4″ |
| 2HSBF2-B | Socket/Female | 1/4″ | 1/4″ – 19 Female BSPP | Brass | 2.26″ (57.4mm) |
1.42″ (36.1mm) |
3/4″ |
| 2HSBF2-S | Socket/Female | 1/4″ | 1/4″ – 19 Female BSPP | 303 Stainless | 2.26″ (57.4mm) |
1.42″ (36.1mm) |
3/4″ |
| 3HSF3-B | Socket/Female | 3/8″ | 3/8″ – 18 Female NPTF | Brass | 2.51″ (63.8mm) |
1.73″ (43.9mm) |
7/8″ |
| 3HSF3-S | Socket/Female | 3/8″ | 3/8″ – 18 Female NPTF | 303 Stainless | 2.51″ (63.8mm) |
1.73″ (43.9mm) |
7/8″ |
| 3HSBF2-B | Socket/Female | 3/8″ | 3/8″ – 19 Female BSPP | Brass | 2.51″ (63.8mm) |
1.73″ (43.9mm) |
7/8″ |
| 3HSBF3-S | Socket/Female | 3/8″ | 3/8″ – 19 Female BSPP | 303 Stainless | 2.51″ (63.8mm) |
1.73″ (43.9mm) |
7/8″ |
| 4HSF4-B | Socket/Female | 1/2″ | 1/2″ – 14 Female NPTF | Brass | 2.86″ (72.6mm) |
2.29″ (58.2mm) |
1-1/16″ |
| 4HSF4-S | Socket/Female | 1/2″ | 1/2″ – 14 Female NPTF | 303 Stainless | 2.86″ (72.6mm) |
2.29″ (58.2mm) |
1-1/16″ |
| 4HSBF4-B | Socket/Female | 1/2″ | 1/2″ – 14 Female BSPP | Brass | 2.86″ (72.6mm) |
2.29″ (58.2mm) |
1-1/16″ |
| 4HSBF4-S | Socket/Female | 1/2″ | 1/2″ – 14 Female BSPP | 303 stainless | 2.86″ (72.6mm) |
2.29″ (58.2mm) |
1-1/16″ |
| 6HSF6-B | Socket/Female | 3/4″ | 3/4″ – 14 Female NPTF | Brass | 3.55″ (90.2mm) |
2.61″ (66.3mm) |
1-5/16″ |
| 6HSF6-S | Socket/Female | 3/4″ | 3/4″ – 14 Female NPTF | 303 Stainless | 3.55″ (90.2mm) |
2.61″ (66.3mm) |
1-5/16″ |
| 6HSBF6-B | Socket/Female | 3/4″ | 3/4″ – 14 Female BSPP | Brass | 3.55″ (90.2mm) |
2.61″ (66.3mm) |
1-5/16″ |
| 6HSBF6-S | Socket/Female | 3/4″ | 3/4″ – 14 Female BSPP | 303 Stainless | 3.55″ (90.2mm) |
2.61″ (66.3mm) |
1-5/16″ |
| 8HSF8-B | Socket/Female | 1″ | 1″ – 11-1/2 Female NPTF | Brass | 4.13″ (104.9mm) |
2.98″ (75.7mm) |
1-5/8″ |
| 8HSF8-S | Socket/Female | 1″ | 1″ – 11-1/2 Female NPTF | 303 Stainless | 4.13″ (104.9mm) |
2.98″ (75.7mm) |
1-5/8″ |
| 8HSBF8-B | Socket/Female | 1″ | 1″ – 11 Female BSPP | Brass | 4.13″ (104.9mm) |
2.98″ (75.7mm) |
1-5/8″ |
| 8HSBF8-S | Socket/Female | 1″ | 1″ – 11 Female BSPP | 303 Stainless | 4.13″ (104.9mm) |
2.98″ (75.7mm) |
1-5/8″ |







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