NPT Thread | Product Number | Locking Range (mm) | Thread Length GL (mm) | Spanner Size (mm) |
NPT 1/4 | QG-SSNPT1/4-6.5 | 3-6.5 | 7 | 14 |
NPT 3/8 | QG-SSNPT3/8-8 | 4-8 | 8 | 18 |
NPT 1/2 | QG-SSNPT1/2-12 | 6-12 | 8 | 22 |
NPT 3/4 | QG-SSNPT3/4-18 | 13-18 | 9 | 30 |
NPT 1 | QG-SSNPT1-25 | 18-25 | 10 | 40 |
NPT 1 1/4 | QG-SSNPT1 1/4-30 | 25-30 | 10 | 45 |
NPT 1 1/2 | QG-SSNPT1 1/2-38 | 32-38 | 12 | 55 |
NPT 2 | QG-SSNPT2-44 | 37-44 | 13 | 65 |
NPT 2-1/2 | QG-SSNPT2 1/2-52 | 42-52 | 15 | 78 |
NPT 3 | QG-SSNPT3-70 | 65-70 | 15 | 94 |
NPT 4 | QG-SSNPT4-91 | 82-91 | 20 | 125 |



HOW TO CHOOSE SIZE & INSTALL
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WORKSHOP
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PRODUCTION & QUALITY INSPECTION
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ASSEMBLE & WAREHOUSE
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WELCOME TO VISIT QUANGUAN ELECTRIC !

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer a free sample depending on product types.
Q:Can you print our own logo?
A:Yes, we provide OEM/ODM services.
Q:How long is the quality guarantee?
A:18 months warranty,every products is inspected before they leave the factory.
Q: Do you have a catalog? Can you send me the catalog to see all your products?
A: Yes, we have e-catalog. Please contact us online or send us an e-mail to get it.
Q:How's the delivery?Because I really need them is urgently?
A: 5-10 days for inventory products and 7-20 days for customized products.