VL30/VL18 — 30" Variable Pipe, 18" Variable Pipe
- Fills odd dimensions between standard lengths. (Not used to compensate for thermal expansion.)
- VL30 fills 4"- 26" space.
- VL18 fills 4"-14" space.
- Materials Available: 304/ALZ, 316/ALZ, 304/304, 316/36
Ordered Part Includes:
VL30 or VL18, plus one 30" or 18" Inner Slip Section, one two-piece Outer Jacket, one SR, and one VB.
Fiber insulation provided for IVSI models.
- The SR is sealed with supplied sealant, not allowing the VL to compensate for expansion.
- Flow Resistance Factor (K) is the same as insulated pipe.