NSF Certified Products, Upstream Pumping, John Crane Diamond® Seal Face Technologies, Type 3740 Split Seal and Type 37FS Split Seal
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![Person Opening Pipes](/media/lyvfla5x/person-opening-pipes.png?width=674&height=281&format=webp&quality=100&v=1db1bbef2ff10a0)
![Water Savings Photo](/media/50wan4oc/water-savings-photo.jpg?width=674&height=281&format=webp&quality=100&v=1db1bbefa207950)
Water Savings Estimator
Environmental, social and governance (ESG) initiatives are at the forefront of today’s business climate. Reducing water consumption is a primary component of those objectives.
Highlights
![IMG1628](/media/qrmmak2l/img1628.jpg?width=404&v=1db0e9772f067d0)
Type 3740
Advanced Design, Wet-running Cartridge O-ring Split Seal
The Type 3740 mechanical seal is a family of split seals using the latest modular split seal technology from John Crane that...
![4610 Lg](/media/l0enf3aw/4610_lg.jpg?width=404&v=1db0ff63f79a5f0)
NSF Certified Products
These mechanical seals are suitable for use in new or existing NSF applications, meeting the industry’s rigorous standards.
![Upstream Pumping 404](/media/i14phlkl/upstream-pumping-404.png?width=404&v=1db1bc001668b90)
Upstream Pumping
Tackle high heat Generation, low-lubricity, and intermittent dry-running conditions.
![Type 5870 800X800](/media/y4edr5nd/type-5870-800x800.jpg?width=404&v=1db14d8daae9e90)
Diamond Seal Face Technology
John Crane Diamond® Unique Characteristics Extend Mechanical Seal Life
John Crane Diamond® ultrananocrystalline diamond (John Crane Diamond®) treated silicon carbide offers performance benefits for a wide range of applications in nearly every industry.
![37FS Lg](/media/rhrp1l0z/37fs_lg.jpg?width=404&v=1db0f3f4834ae90)
Type 37FS
Heavy-duty Split Elastomer Bellows Seal for Agitators, Mixers and Pumps
The Type 37FS fully split mechanical seal helps significantly reduce maintenance on larger, difficult-to-seal equipment. It is recommended for use on...
Related Resources
![Reduced Maintenance](/media/lqxdc0f0/reduced-maintenance.jpg?width=404&v=1db1bdf920f6120)