MULTI N Inclined Flap Valves

Protection against drainage & sewage backwater/flooding. Inclined Flap Valve (minimum 15°) designed for connection to any pipe (PVC, HDPE, Asbestos Cement, Ductile Iron, Clay, Concrete, etc.) to prevent backflow in sewage and drainage systems. In order to ensure a watertight connection to any circular pipe, the appropriate Mission Flex-Seal® ARC Coupling is supplied & already connected to the Multi N valve for easy & quick installation. Note: Make sure to order the correct coupling by specifying both the pipe material type & outside diameter.

Multiple sizes from 5.91" - 23.62"

COMPONENTS:

  • Flap Valve: Glass reinforced plastic using a isophtalic polyester resin
  • Coupling Clamps: Surgical Grade 316 Stainless Steel, Nut & Bolt (2 or 4)
  • Coupling Shield: 301 Series Stainless Steel with 301 Series Stainless Steel, Worm Drive Clamps (2)
  • Coupling Gasket: Molded, One-Piece, Elastomeric Sealing Gasket

Delivered "Ready to Install" with a Mission Flex-Seal® ARC Coupling

  • For installation directly onto spigot end of pipe
  • A Mission Flex-Seal® ARC Coupling is supplied and already connected on the MULTI N valve in order to provide an easy and quick installation. It provides a secure and watertight connection to all types of pipe. Make sure to order correctly by specifying both the pipe type and outside diameter of the pipe to be joined.

Reliable and Durable

High mechanical strength due to Glass Reinforced Plastic (GRP) construction. Design is verified by Finite Element Stress Analysis

Watertight

Resistant up to 1 bar (10 m head) and back pressure to 1 bar (10 m head). Integral rubber seals easily replaced if damaged.

Lightweight

Fast and easy installation. Most sizes can be handled by one person. Very low operating pressure (cracking head) compared with metal flap valves.

Corrosion Resistant

Highly resistant to corrosion and UV Degradation. No coating needed.

Resilient

Natural rubbers provide resistance to ozone, UV and mechanical compression.

Low Maintenance

Long service life and low maintenance.

Quality

Conforms to ISO 9001 quality standards.

  1. Reliable and Durable
  2. Watertight
  3. Lightweight
  4. Corrosion Resistant
  5. Resilient
  6. Low Maintenance
  7. Quality

MULTI N Series

A-PIPE OD B-PIPE OD C-DEPTH OF SOCKET MAX JOINT DEFLECTION ANGLE WEIGHT MAX Coupling OD Range min MAX Coupling OD Range max Larger Pipe ID min Larger Pipe ID max Smaller Pipe OD min Smaller Pipe OD max Sewer Main Wall Thickness Lateral Pipe min Lateral Pipe max Core Drilling min Sewer Main Core Break min Sewer Main Core Break max Foam Qty Required DIM. A DIM B DIM C DIM D DIM E DIM F Weight Pressure Resistance Pipe O.D. 2 Bushings (TWP) Pipe O.D. 1 Bushing (SCH 40) Pipe O.D. No Bushings (DI) Inside Core Drilling I.D. Installation Depth (Min) GG Part Part
7.01 in6.93 in7.56 in6.65 in0.35 in11.77 in1.32 lbs1 bar (33 ft head)MULTI 150 N19031
8.82 in8.50 in8.07 in7.95 in0.43 in13.58 in2.65 lbs1 bar (33 ft head)MULTI 200 N19085
11.18 in11.02 in8.86 in10.35 in0.47 in15.71 in3.75 lbs1 bar (33 ft head)MULTI 250 N19105
13.19 in13.07 in10.43 in12.52 in0.59 in18.90 in6.61 lbs1 bar (33 ft head)MULTI 315 N19125
16.54 in16.42 in11.61 in15.94 in0.63 in22.44 in11.91 lbs1 bar (33 ft head)MULTI 400 N
20.79 in20.55 in12.60 in19.92 in0.67 in26.69 in20.72 lbs1 bar (33 ft head)MULTI 500 N
25.94 in25.79 in13.58 in25.12 in0.71 in31.81 in33.07 lbs1 bar (33 ft head)MULTI 600 N

MULTI N Series

GG PartPartDescriptionCase Qty.Case Wt.
MULTI 150 N190316" connection with Flex-Seal® ARC Coupling, depending on pipe 11.32 lbs
MULTI 200 N190858" connection to any pipe with Flex-Seal® ARC Coupling12.65 lbs
MULTI 250 N1910510" connection to any pipe with Flex-Seal® ARC Coupling13.75 lbs
MULTI 315 N1912512" connection to any pipe with Flex-Seal® ARC Coupling16.61 lbs
MULTI 400 N16" connection to any pipe with Flex-Seal® ARC Coupling111.91 lbs
MULTI 500 N20" connection to any pipe with Flex-Seal® ARC Coupling120.72 lbs
MULTI 600 N24" connection to any pipe with Flex-Seal® ARC Coupling133.07 lbs