1. HULK Metal pipe clamp fittings are designed by using malleable iron in accordance with ASTM A197 which applies for good mechanical strength and enough elongation characters. The surface treatment of the kee clamp is hot dipped galvanized which meet the specification of ASTM A153 to anti-rusting and corrosion.

2. Six different sizes are available as following.

3. Three kinds of standard surface treatment can be provided on key clamp, suitable for all kinds of indoor and outdoor application.

4. All our pipe joint connectors are with TUV, CE and ISO certificate.

Modular structures eliminate design and engineering costs, on-site fabrication issues while reducing installation costs.
HM pipe fittings can be adapted or extended with additional components, or to be adjusted on-site.

Designed for easy use, our key clamps are created for the modern construction environment. It combines the benefits of strength and durability without the need of specialized tradesmen, hot work permits, fire spotters and welding protection to finished surfaces.

Over 16 years, HULK Metal has been a trusted name in piping solutions by offering high-quality products, service and support to the PVF industry continuously.
We provide expertise and product solutions for a wide range of applications, plumbing, mechanical, industrial, air-conditioning and refrigeration, mining, oil, gas, fire protection, equipment and power system.
We organize the whole production process in accordance with ISO 9001 and ISO 14001. It has also the most complete certificates in the PVF industry, including UL/FM/NSF of US, CRN/cUL of Canada, DVGW/TUV/CE/VdS of Germany, BSI/LPCB of UK, SII of Israel, JIS of Japan, ABNT of Brazil, GOST-R of Russia, CNBOP of Poland, KS of South Korea, TSE of Turkey, PSB of Singapore, SIRIM of Malaysia, SABS of South Africa etc.

Cartons and then plywood pallets are used into key clamp packages, suitable for sea or air export business which can be stacked in containers.

Q1. How can I get your prices of kee clamp?
A: Please provide your detail inquiry list which including items, surface requirement and  estimated order quantity. Then detail quotation will be provided.
Q2. Can I have a sample before business start?
A: Yes, we welcome sample order to test and check our quality. Usually samples are free and you just need to pay the courier cost by FedEx or DHL.
Q3. What's about the lead time of order?
A: Sample order usually need 5-7 days after order confirmation. Mass production order usually need 30-40 days after prepayment received.