Valves & Pumps

Socket/ Push-On Ends Overview SJZ Metalsin supplies AWWA C515 ductile iron resilient seated socket end gate valves with non-rising stem (NRS). The term “socket end” refers to that these valves shall be furnished with push-on joint end connections in accordance with AWWA C111. The push-on joint is a single rubber-gasket joint that is assembled by positioning a continuous, molded, rubber-ring …

AWWA C515 resilient seated gate valves are usually furnished with fusion bonded epoxy (FBE) coating in accordance with AWWA C550 to meet the requirements of water supply service. These reduced-wall gate valves shall be made from ductile iron, either with rising or non-rising stem. AWWA C550 specifies protective interior & exterior coatings for valves used for water supply, wastewater collection …

SJZ Metalsin supplies AWWA C515 MJ gate valves with non-rising stem (NRS) and resilient seated design for water supply service. These valves are furnished with reduced-wall body and made from cast ductile iron. The term “MJ” refers to that the valve shall be provided with mechanical joint ends in accordance with AWWA C153 and AWWA C111. The mechanical joint end …

Features & Benefits of Drain & Vent Design Designated with series number of MT-57-D23, the AWWA C515 gate valve with drain & vent design is a non-rising stem (NRS) resilient seated gate valve made from ductile iron. The draining and venting design is achieved by a brass plug and a threaded hole drilled in the middle of the valve body. …

SJZ Metalsin supplies the AWWA C515 resilient seated gate valves with non-rising stem design and flanged end connections. Furnished with ductile iron body and bonnet, these valves are widely used for water supply service. Featuring reduced-wall thickness for enhanced performance without compromising structural integrity, AWWA C515 gate valves are lighter for easier transportation and installation. Resilient Seated Design AWWA C515 …

SJZ Metalsin supplies a series of AWWA C515 reduced-wall ductile iron gate valves for water supply service having a PH range of 6.5 to 8.5 and a temperature from 0.6°C to 52°C [33°F to 125°F]. They are resilient-seated gate valves with non-rising stems (NRS) or outside screw-and-yoke (OS&Y) rising stems. The AWWA C515 reduced-wall ductile iron gate valves may be …

Design Characteristics & Applications The BS 5150 threaded gate valves supplied by SJZ Metalsin for waterworks are designated with the series number MTS-GT935. These valves are WRAS approved with non-rising stem and resilient seat design. Since they are primarily used for waterworks, they shall also be manufactured to BS 5163 and non-metallic parts of the valve in contact with potable …

WRAS Approval, BS 6920 & Design Characteristics SJZ Metalsin supplies BS 5150 WRAS approved gate valves with the product series number of MTS-RG358. “WRAS approved” stands for “Water Regulations Advisory Scheme approved.” It indicates that the cast iron gate valves have been tested and certified to comply with the requirements and standards set by the UK Water Regulations. This certification …

Design Characteristics & Advantages Shijizhuang Metalsin supplies cast iron non-rising stem gate valves with resilient seats manufactured in accordance with BS 5150. Both the body and bonnet, as well as the gate, shall be made of either flake graphite cast iron (grey cast iron) or spheroidal graphite cast iron (ductile iron). The non-rising stem (NRS) design features a stem that …

Wedge Gate & Metal-to-Metal Seating The cast iron metal seated gate valve is usually furnished with a wedge-shaped gate, which is perpendicular to the process flow. The wedge-shaped gate valve uses two inclined seats and a slightly mismatched inclined gate (also called “wedge”) that allows for tight shutoff, even against higher pressures. The inclined wedge are designed 2.5° to 5° …

Design Characteristics & Advantages SJZ Metalsin supplies BS 5150 non-rising stem (NRS) metal seated gate valves, made from grey cast iron or ductile iron. The valves shall be furnished with flanged ends, the drilling dimensions of which shall be in accordance with BS 4504 3.2 or BS 1560 3.2. This MTS-NV507 series gate valve features its non-rising stem and hollow …

Design Characteristics & Technical Drawing SJZ Metalsin supplies metal seated cast iron gate valves with rising stem (OS&Y design), which are made in accordance with BS 5150. Generally, these valves are furnished with flanged ends (raised face) available in sizes DN50 ~ DN600 and pressures PN6, PN10, PN16 and PN25. The body and bonnet are made of cast iron, either …