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OPW Tight-Fill Top-Seal OPW 633T Adaptors OPW 633T Top-Seal Adaptors thread onto the fill pipe of underground storage tanks,and are designed to mate with top-seal delivery elbows. Use OPW 634TT,634TE or 634TTP Tight-Fill Top-Seal Adaptors are installed Top-Seal Caps with 633T Adaptors. in spill containment manholes on the Features fill riser pipe from an underground fuel Easy Installation—integral internal ♦Accommodate 633LC Lock Clamp— storage tank.They mate with the gravity wrenching lugs are provided for installing 4"x 4"633T(E)models incorporate drop delivery elbow on the transport in the confined space of spill containers. dual notches in the base to accept truck, ♦ Manufactured from Durable, 633LC clamps. Corrosion-Resistant Materials—bronze and hardcoat aluminum. Ordering Specifications Elbow Riser A B Replacement Parts Product# Size Thread in. mm in. mm lbs. kg Material Part# Description 633T-8060 3" 3" 3111. 4t1% 92 0.96 .44 Bronze H05289M Gasket 6337-8070 3" 4" 317. -0 2"I,, 92 0.71 .32 Hardcoated Al. H04150M Gasket 633T-8076 633T-8075 4" 4" 4% -75' 21% 124 0.82 .37 Hardcoated Al. H04150M Gasket 633T-8076 4" 4" 4% 75 2111. 124 2.70 1.23 Bronze H04150M Gasket A Note:Maximum height of adaptor is 2"NH(68mm). OPW 61SA Swivel Adaptor B Pressure decay testing of underground storage tank systems has identified the joint between the tight-fill adaptor and the nipple or tank riser as a persistent leak point. Considerable movement takes place along the hose while the fill elbow is connected.Walk-downs and changes from one compartment to another move the hose across the pavement,rotating the elbow along with it.The result can be a loosening of the adaptor.As the adaptor backs off, the seal between it and the nipple is relaxed and a leak path is created allowing vapors to escape to the atmosphere.Vacuum-assist dispensing systems can aggravate this situation due to the slight pressurization of the UST. The 61 SA Swivel Adaptor mates with 4"top-seal delivery elbows and features a top section that rotates with hose movement while the bottom section remains securely in place maintaining seal integrity. Features ♦Dual Seals—ensure a vapor and ♦Same Internal Dimension as Standard 61SALP-1020-EVR liquid-tight seal. 633T Adaptors—to minimize pressure ♦Conductive,Self-Lubricating Retaining drop and maximize flow rates for quick 4W Rod—ensures maintenance-free,reliable product delivery. 124mm service life. Ordering Specifications Materials Base Adaptor Weight Adaptor:Bronze 4'k" Product# 111 mm Material Material lbs, kg Base: Bronze 61SALP-1020-EVR' Bronze Bronze 7.1 3.2 Retaining ring: Conductive nylon 61SA-Tool' Wrench 11.0 5.0 Set screws: Stainless steel H09039M Replacement Gasket Seals: Buna-N 51h" 'Low Profile FII Adaptor 140mm --11 "See description on page 103 4"Thread Listings and Look for this label for authentic OPW EVR O P W_40111'. Certifications Approved products. o - USA Patent No.5,664,951 nUVM COMPANY