- Pipeline Instrumentation
Maloney® Series III Detector
The Maloney® Series III Detector is a rugged, mechanical plunger-style detector designed for conventional pipeline and meter prover applications. Known as the industry’s “workhorse,” it delivers reliable, field-proven performance in demanding and adverse operating conditions. Features bidirectional detection with spherical radius probe, wide pressure range up to 1440 PSI, U-type Teflon® seals with stainless steel spring inserts, non-adjustable sealed microswitch (trips within .001 inch), and corrosion-resistant stainless steel construction.
Product Specifications
Pipe Type
Steel Pipe
Insert Material
Stainless Steel (all metal parts); Carbon Steel welding base (standard); Teflon® seals
Applicable Standards
NACE MR-01-75 (optional NACE model available)
Standard Sizes
Universal Fit
Variants
Standard Model; NACE Model (sulfide-stress-cracking resistant)