Grooved angle pad rigid couplings are widely used to connect steel pipes for fire protection system, potable water supply system, municipal construction, mine, chemical factory and other occasions when steel pipes used.
Detailed description:
Material of body: ductile cast iron (ASTM A536,Grade: 65-45-12)
Material of gasket: EPDM/NBR
Nominal size: 1"-12"
Working pressure: 2.07MPa / 300PSI
Surface treatment: electrostatics powder painting, RAL3000, blue, white or as customized.
Bolts and nuts: export grade, stainless steel
| Nominal size | Pipe O.D. | Working pressure | Dimensions | Bolt size | ||||||||
| ∅ | L | H | ||||||||||
| mm | in | mm | in | PSI | Mpa | mm | in | mm | in | mm | in | mm |
| 25 | 1 | 33.7 | 1.327 | 300 | 2.07 | 57 | 2.24 | 97 | 3.82 | 44 | 1.771 | M10*55 |
| 32 | 1 1/4 | 42.4 | 1.699 | 300 | 2.07 | 66 | 2.598 | 107 | 4.213 | 45 | 1.772 | M10*55 |
| 40 | 1 1/2 | 48.3 | 1.900 | 300 | 2.07 | 74 | 2.913 | 115 | 4.527 | 45 | 1.772 | M10*55 |
| 50 | 2 | 60.3 | 2.374 | 300 | 2.07 | 84 | 3.307 | 124 | 4.882 | 45 | 1.772 | M10*60 |
| 65 | 2 1/2 | 73 | 2.875 | 300 | 2.07 | 98 | 3.90 | 138.4 | 5.45 | 45 | 1.772 | M10*60 |
| 65 | 2 1/2 | 76.1 | 3.00 | 300 | 2.07 | 99 | 3.90 | 143 | 5.63 | 45 | 1.772 | M10*60 |
| 80 | 3 | 88.9 | 3.500 | 300 | 2.07 | 114 | 4.488 | 154 | 6.06 | 45 | 1.772 | M10*60 |
| 100 | 4 | 114.3 | 4.500 | 300 | 2.07 | 144 | 5.67 | 189 | 7.441 | 51 | 2.008 | M10*65 |
| 125 | 5 | 139.7 | 5.500 | 300 | 2.07 | 171 | 6.73 | 213 | 8.386 | 50 | 2.008 | M12*75 |
| 150 | 6 | 165.1 | 6.500 | 300 | 2.07 | 197 | 7.756 | 253 | 9.961 | 51 | 2.008 | M12*75 |
| 150 | 6 | 168.3 | 6.625 | 300 | 2.07 | 198 | 7.8 | 255 | 10.039 | 51 | 2.008 | M12*75 |
| 200 | 8 | 219.1 | 8.625 | 300 | 2.07 | 256 | 10.08 | 324 | 12.756 | 62 | 2.441 | M16*100 |
| 250 | 10 | 273 | 10.75 | 300 | 2.07 | 315 | 12.40 | 398 | 15.669 | 62 | 2.441 | M20*120 |
| 300 | 12 | 323.9 | 12.751 | 300 | 2.07 | 371 | 14.61 | 454 | 17.874 | 62 | 2.441 | M20*120 |
UL list and FM approval
in cartons and then on pallets 
pipe cutting machine, hole cutting machine, roll groove machine etc.
1. Q: What's your MOQ?
A: Generally, it's 200 pieces for each size. For trial order, MOQ can be negotiated.
2. Q: Where is your factory located? What's the nearest air port and and how long it will take from airport to factory?
A: Our factories are located in Shandong province, east of China. It's about 2 hours from factory to Qingdao airport.
3. Q: What's your lead time?
A: In peak season, it needs about 35 days; In off-season about 21 days.
4. Q: What the payment terms required?
A: 1) T/T 30% and the balance against of B/L copy sent to you;
2) L/C at sight
3) For small order, West Union, paypal or cash accepted.
5. Q: Can products be customized?
A: Customized products are welcome. Mould fee be paid by customer first and then be refundable to customer
when order quantities reach the required tons.
Anything uncertain or unclear, please feel free to contact me.