Flange (Solid Style), Slip PVC Schedule 80 6" (851-060)

Blue Monster 76037 1-Step PVC Cement Clear (32OZ)

This 6" Schedule 80 PVC Solid Style Slip Flange provides a permanent solvent-cement connection to a 6" Schedule 80 PVC pipe run on one side and a disassemblable bolted flanged face connection to any mating ANSI 150 lb pattern flange on the other — the standard PVC fitting for pump, valve, meter, and equipment connections at 6" nominal pipe size where periodic disassembly for maintenance, inspection, or component replacement is required, or where a transition from an all-socket PVC system to a flanged metal or other flanged assembly occurs. Constructed in dark gray Schedule 80 PVC, it delivers the elevated pressure performance, chemical resistance, and mechanical strength of Schedule 80 construction at the 6" large-diameter service size, suited for demanding municipal water distribution, large-scale industrial process piping, large agricultural irrigation, and chemical handling applications where flanged connections at pump stations, valve vaults, meter runs, and equipment interfaces are the required connection standard.

The 6" slip socket inlet accepts 6" Schedule 80 PVC pipe for a permanent large-diameter solvent-cement bond, anchoring the flange body to the upstream socket distribution assembly at the flanged connection point. The flat face flange ring provides an ANSI 150 lb drilling pattern bolt circle for bolted connection to any mating ANSI 150 lb pattern flange — whether PVC, ductile iron, stainless steel, or other compatible flange material — using standard 3/4" diameter bolts through the 8-bolt hole pattern at the 9-1/2" bolt circle diameter (verify dimensional data before publishing). A full-face flat gasket of appropriate material must be installed between the 851-060 face and the mating flange face before bolting to achieve a leak-free seal; the gasket is not included and must be selected for compatibility with the system fluid, temperature, and pressure. The solid style body transmits bolt load directly through the one-piece integral flange ring and hub — providing a rigid, pressure-rated flanged connection at the transition point between the cemented socket PVC assembly and the bolted flanged system boundary. This flange is the correct fitting wherever a 6" socket PVC pipe run must terminate at a flanged interface — distinct from all socket, spigot, threaded, and adapter fittings confirmed earlier in this catalog session, which provide permanent or threaded connections without the disassemblable bolted-face-to-face joint that the 851 series delivers. At 6", PVC solid style slip flanges most commonly appear at pump suction and discharge connections where the pump has flanged ports; at flanged valve body connections where isolation, check, or butterfly valves with flanged ends must be installed in the PVC pipe system; at flow meter flanged connections in large-diameter distribution and process piping; at transitions from PVC socket systems to flanged metal header or equipment assemblies; and at system boundary cleanout and access points where periodic disassembly of the flanged connection facilitates maintenance of downstream equipment.

Apply heavy-bodied, slow-set PVC solvent cement rated for large-diameter joints at the 6" slip socket end per ASTM D2564 procedures and manufacturer guidance for fittings above 4" nominal diameter — standard-body cements are not appropriate for joints at this size. Apply primer to both the pipe exterior and fitting socket interior before cement application. Follow manufacturer published procedures for large-diameter solvent cement joints precisely; allow full cure time at the cemented joint before pressurizing the flanged assembly. When bolting to the mating flange, install a full-face flat gasket between the two flange faces, insert all bolts before applying any torque, and tighten in a star (cross) pattern in multiple passes to achieve even gasket compression across the full flange face — do not fully torque individual bolts sequentially. Apply bolt torque within the manufacturer recommended range for PVC flanges at this size; excessive bolt torque can crack the flange body or distort the sealing face. Verify the bolt torque specification from the flange manufacturer before installation. Derate pressure ratings for elevated temperatures per published derating curves.

Specifications:

Industries & Applications:

• Pump Stations — Municipal & Industrial — Connects 6" Schedule 80 PVC suction and discharge pipe runs to flanged pump body ports, pump base elbow flanges, and pump station valve flanged connections at municipal water distribution, large agricultural irrigation, and industrial process pump stations where ANSI 150 lb flanged connections are the standard pump interface and periodic pump removal for maintenance requires a disassemblable flanged joint at the PVC pipe-to-pump connection point
• Large-Scale Irrigation — Agricultural & Municipal — Provides flanged connection points at pump station discharge manifolds, main isolation valve flanged ports, flow meter flanged connections, and primary supply header equipment interfaces in large-scale agricultural and municipal irrigation systems where 6" Schedule 80 PVC socket supply pipe runs must interface with flanged valves, meters, and equipment in the standard ANSI 150 lb flanged connection format
• Municipal Water Distribution — Connects 6" Schedule 80 PVC transmission and distribution main socket runs to flanged gate valves, butterfly valves, check valves, and pressure reducing valve flanged ports at valve vault and in-line valve installation points throughout municipal water distribution systems where the ANSI 150 lb flanged connection is the standard for in-line valve and equipment installation at large-diameter pipe interfaces
• Industrial Process Piping — Provides flanged connection points between 6" Schedule 80 PVC socket process water, cooling water, and chemical distribution pipe runs and flanged pumps, heat exchangers, flow meters, and process equipment interfaces in large industrial manufacturing, chemical processing, and power generation facilities where ANSI 150 lb flanged connections are the standard equipment interface protocol throughout the process piping system
• Water Treatment & Potable Water Systems — Connects 6" Schedule 80 PVC socket filter influent and effluent runs, chemical feed pipe sections, and primary distribution pipe sections to flanged treatment equipment ports, chemical dosing system flanged interfaces, and isolation valve flanged connections in large-scale water treatment plants where NSF/ANSI 61 compliance and disassemblable flanged connections for maintenance access are required at equipment interface points throughout the treatment system
• Chemical Handling — Provides corrosion-resistant flanged connection points between 6" Schedule 80 PVC socket chemical distribution and transfer pipe runs and flanged pumps, valves, tanks, and process equipment interfaces in chemical manufacturing, water treatment chemical feed, and industrial process facilities where ANSI 150 lb flanged connections and Schedule 80 PVC chemical resistance are required at equipment interface points in systems conveying acids, caustics, fertilizer solutions, and other chemically aggressive process fluids