HD Medium Velocity Water Spray Nozzle is an open orifice, directional spray nozzle, designed for use in water spray fixed systems for fire protection applications. MV nozzle comes in various materials of construction. The nozzle is available in brass, stainless steel 316 and aluminium bronze construction. HD MV Nozzle is UL Listed, FM Approved, and also carries Lloyds Type Approval.
• Brass construction for Model MV-A and MV-AS
• Stainless Steel construction for Model MV-B and MV-BS
• Aluminium Bronze construction for Model MV-E
• Size 1/2" BSPT or NPT
• Open orifice design used in deluge water spray system
• Non-automatic fixed pattern, external deflector
• Solid cone discharge
• Several combination of different orifice sizes & spray angles
• K-factor(Metric) - 18, 22, 30, 35, 41, 51, 64, 79, 91 & 102
• K-factor(US) - 1.26, 1.54, 2.10, 2.45, 2.87, 3.57, 4.48, 5.53, 6.37 & 7.14
• Spray angle - 65°, 80°, 90°, 100°, 110°, 120° & 140°
• Each Nozzle body permanently marked with model number, batch number, spray angle, K-factor & UL mark
• Finish - Brass, Bright Nickel Chrome or Natural Finish
• Approvals - UL Listed, FM Approved and Lloyd's Register Type Approved
• FM Approved Blow-Off Plug
The HD® Medium Velocity Water Spray Nozzles are open type (non-automatic nozzles, designed for directional spray application in fixed fire protection system. Medium velocity water spray nozzle has an external deflector, which discharges water in a directional cone shaped pattern of small droplet size. The water is uniformly distributed over the surface to be protected.